Using O=C([O-])[O-], CCOC(=O)c1cc2cc(OC(F)(F)F)cc(NS(=O)(=O)c3cccs3)c2[nH]1 to produce CCOC(=O)c1cc2cc(OC(F)(F)F)cc(N(C)S(=O)(=O)c3cccs3)c2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.