Using NCc1ccc(F)c(F)c1, CCOC(=O)c1ccc2c(c1)ncn2-c1cccc(CO)c1 to produce CCOC(=O)c1ccc2c(c1)ncn2-c1cccc(CNCc2ccc(F)c(F)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.