Using C=CCC1(S(=O)(=O)n2c(=O)n(-c3ccc(I)cc3F)c3c(F)c4ncsc4cc32)CC1 to produce C=CCC1(S(=O)(=O)Nc2cc3scnc3c(F)c2Nc2ccc(I)cc2F)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.