Using COc1ccc(Cn2cc(C(=O)c3ccc(C(F)(F)F)nc3)c(=O)c3ccccc32)cc1 to produce O=C(c1ccc(C(F)(F)F)nc1)c1c[nH]c2ccccc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.