Using O=C1C=CC(=O)C=C1, C=CCC1(CC)CCc2cc(OC)ccc2C1=O to produce CCC1(CC(C)=O)CCc2cc(OC)ccc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.