Using COc1ccc2[nH]c3c(c2c1)CC(C)NC31C(=O)Nc2ccc(Cl)cc21 to produce CC1Cc2c([nH]c3ccc(O)cc23)C2(N1)C(=O)Nc1ccc(Cl)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.