Using CCOC(=O)C1Oc2cc(Oc3ccc(C(F)(F)F)cc3Cl)ccc2NC1=O, CI to produce CCOC(=O)C1Oc2cc(Oc3ccc(C(F)(F)F)cc3Cl)ccc2N(C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.