Using COC(=O)C12CC3CC(CC(NC(=O)c4cccc(Cl)c4)(C3)C1)C2 to produce O=C(NC12CC3CC(CC(CO)(C3)C1)C2)c1cccc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.