Using CCOC(=O)NNc1nc2cc(-n3ccnc3C)c(C(F)(F)F)cc2n(OCc2ccccc2)c1=O to produce CCOC(=O)NNc1nc2cc(-n3ccnc3C)c(C(F)(F)F)cc2n(O)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.