Using COc1ccccc1C(=O)c1ccc(-c2noc(C(F)(F)F)c2C)s1 to produce Cc1c(-c2ccc(C(=O)c3ccccc3O)s2)noc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.