Using COc1ccccc1N1CCN(C(C)C(=O)c2ccc3c(c2)CC(=O)N3)CC1 to produce COc1ccccc1N1CCN(C(C)C(O)c2ccc3c(c2)CC(=O)N3)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.