Using O=C([O-])[O-], COc1cnc(NS(C)(=O)=O)c2c1C(=O)N(Cc1ccc(F)cc1)CC2 to produce COc1cnc(N(C)S(C)(=O)=O)c2c1C(=O)N(Cc1ccc(F)cc1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.