Using CCOC(=O)C=C(CCCCc1ccccc1)c1ccc(OC)c(OC)c1 to produce CCOC(=O)CC(CCCCc1ccccc1)c1ccc(OC)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.