Using CCC(=O)Nc1cccc2c(C[C@@H](C)N3C[C@@H](c4cccc(Cl)c4)OC3=O)c[nH]c12 to produce CCC(=O)Nc1cccc2c(C[C@@H](C)NC[C@H](O)c3cccc(Cl)c3)c[nH]c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.