Using CI, CC(C)c1ccc(C2(O)C(=O)c3ccccc3C2=O)c(OCc2ccccc2)c1 to produce COC1(c2ccc(C(C)C)cc2OCc2ccccc2)C(=O)c2ccccc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.