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