Using CCOC(=O)C1(Cc2ccccc2)CCCN1C(=O)OCc1ccccc1 to produce O=C(OCc1ccccc1)N1CCCC1(Cc1ccccc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.