Using CC1=C2CCCC(C(=O)c3ccc4ccccc4c3)=C2OC1=O to produce CC(C(=O)O)c1cccc(C(=O)c2ccc3ccccc3c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.