Using COC(=O)C(CC1CCCCC1)c1ccc(OCc2ccc3ccccc3n2)cc1 to produce O=C(O)C(CC1CCCCC1)c1ccc(OCc2ccc3ccccc3n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.