Using CN(C)C=O, Cn1c(=O)c(-c2ccc(F)cc2Cl)cc2c3ccccc3n(C)c21 to produce COc1ccc(-c2cc3c4ccccc4n(C)c3n(C)c2=O)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.