Action (adding new row to another table) Issue

I know this formula is incorrect, but Iโ€™m not sure which I am supposed to use. Ref_Rows isnโ€™t letting me because โ€œlist isnโ€™t an expected valueโ€
I need this action to create a row in another table (my โ€œTasksโ€ table) and these are the columns I need to reference. The Opportunity column โ€œSite Nameโ€, however needs to relate to this column in my Opportunity table

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Steve
Platinum 4
Platinum 4

The Opportunity column in the new row should be set to the key column value of the referenced row.

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