Function in condition node not worked well

I am using "notin" function to exclude not needed data from array column but having errors.
please advise

I am using "notin" function to exclude not needed data from array column but having errors.
please advise
can you switch the parameters in the function ? second parameter will be a listString and the first one will be a string
not(in( 'DFC', <ListString> ))
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