Using CC(C)(C)OC(=O)NC[C@H]1CN(c2ccc(N3C=C(C(=O)C(F)(F)F)S(=O)(=O)CC3)cc2)C(=O)O1 to produce CC(C)(C)OC(=O)NC[C@H]1CN(c2ccc(N3C=CS(=O)(=O)CC3)cc2)C(=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.