Using CCc1c(-c2ccc(OC)cc2)c2cc(C(C)=O)c3cc(OC)cc1n32 to produce CCc1c(-c2ccc(O)cc2)c2cc(C(C)=O)c3cc(O)cc1n32, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.