Using O=C([O-])[O-], COc1cc(C(=O)NCc2ccc(-c3noc(C)n3)cc2NC(=O)C(F)(F)F)cc(OC)c1C to produce COc1cc(C(=O)NCc2ccc(-c3noc(C)n3)cc2N(C)C(=O)C(F)(F)F)cc(OC)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.