Using C=CCOC(=O)C1(C)CCC(OC(=O)/C=C/c2ccc(OC(C)=O)c(OC)c2)CC1 to produce C=CCOC(=O)C1(C)CCC(OC(=O)/C=C/c2ccc(O)c(OC)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.