Using COC(=O)C(Cc1ccccc1)Cc1cc2cc(OCc3ccccc3)ccc2[nH]1 to produce COC(=O)C(Cc1ccccc1)Cc1cc2cc(O)ccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.