Using CCO[C@@H](Cc1ccc(OCc2nc(-c3ccccc3C)oc2C)cc1C)C(=O)OC to produce CCO[C@@H](Cc1ccc(OCc2nc(-c3ccccc3C)oc2C)cc1C)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.