Hello. I have a large set of data with many columns. I want to use the multi field formula tool to look for a specific case of a name, such as "The Rock" and change it to "Dwayne Johnson".
I already have an expression in a multi field formula that changes around names for me like so:

I want to add the formula to this tools expression if possible like so:

The reason why I want to do this is because when I add a second multi field formula tool right after the first one, I am unable to select any of the fields like I could in the first tool:


As you can see, in the second multi field formula tool, I am unable to select any fields. Any help would be appreciated.