Using Cn1c(=O)c2c(N)nccc2c2ccc(Cl)cc21, COc1ccc(CCl)cc1 to produce COc1ccc(CNc2nccc3c2c(=O)n(C)c2cc(Cl)ccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.