Using O=C(CCc1ccc(OCc2ccccc2)cc1)C1CCCCC1, COC(=O)CC(C)=O to produce O=C1C=C(O)CC(CCc2ccc(O)cc2)(C2CCCCC2)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.