Using COc1ccc(Oc2c(C)cc(-c3n[nH]c(=O)[nH]3)cc2C)cc1C(C)C to produce Cc1cc(-c2n[nH]c(=O)[nH]2)cc(C)c1Oc1ccc(O)c(C(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.