Using COc1ccc2c(c1Cl)C(=O)N(Cc1c(C)cc(C)[nH]c1=O)CCO2 to produce Cc1cc(C)c(CN2CCOc3ccc(O)c(Cl)c3C2=O)c(=O)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.