Using COCCl, CNC(=O)n1nc(Oc2ncc(C(F)(F)F)cc2Cl)cc1C to produce COCN(C)C(=O)n1nc(Oc2ncc(C(F)(F)F)cc2Cl)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.