Using CC(C)(O)CCCCc1ccc(C=Cc2cc(O)cc(O)c2)cc1 to produce CC(C)(O)CCCCc1ccc(CCc2cc(O)cc(O)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.