Using CC(OC(=O)NCC1(CC(=O)OCc2ccccc2)CCCCC1)OC(=O)C(C)C to produce CC(OC(=O)NCC1(CC(=O)O)CCCCC1)OC(=O)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.