Using COC(=O)c1ncc2cc(NCc3ccc(OC)cc3)ccc2c1OCc1ccccc1 to produce COC(=O)c1ncc2cc(NCc3ccc(OC)cc3)ccc2c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.