Using O=c1nc(C2CC2)c2cc(Cl)ccc2[nH]1, COc1ccc(CCl)cc1 to produce COc1ccc(Cn2c(=O)nc(C3CC3)c3cc(Cl)ccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.