Using COc1cc(NC(=O)c2cc(OC(F)(F)F)ccc2F)ccn1 to produce O=C(Nc1cc[nH]c(=O)c1)c1cc(OC(F)(F)F)ccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.