Using COC1OC(=O)C=C1CCC=C(C=O)CCC=C(C)CCC=C(C)C to produce CC(C)=CCCC(C)=CCCC(=CCCC1=CC(=O)OC1O)CO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.