Filtering a data extension using SSJS

I have been trying to filter a data extension with two values. Every time I try, the values are not returned. Any guidance would be greatly appreciated. This is what I tried:

Fetching the values from first DE:

var ExclusionDE = DataExtension.Init('ExternalKeyOfDE');
              var filter1 = {Property:"ExcludeFrom", SimpleOperator:"equals", Value:"IN"};
              var rows = ExclusionDE.Rows.Retrieve(filter1);
              
              for (var i = 0; i < rows.length; i++) {
             
                                           
              var value1 = rows[i].value1;
              var value2 = rows[i].value2;
              
              
              Write(Stringify(value1));
              Write(Stringify(value2)); 
              
              };

This returns the values correctly.

I am trying to use the values returned in the above For Loop to filter another DE:

 var birthdayDE = DataExtension.Init("DEToBeFiltered");
              var complexfilter = {
                              LeftOperand:{
                                  Property:"value1",
                                  SimpleOperator:"notEquals",
                                  Value:value1
                              },
                              LogicalOperator:"AND",
                              RightOperand:{
                                  Property:"value2",
                                  SimpleOperator:"notEquals",
                                  Value:value2
                      }};
              var moredata = birthdayDE.Rows.Retrieve(complexfilter);
              Write(Stringify(moredata));

Second part of filtering the DE is not returning anything. Any help or guidance?

Thank you!