Using COc1cc(NC(=O)c2c(F)cc(C(F)(F)F)cc2C(F)(F)F)ccn1 to produce O=C(Nc1cc[nH]c(=O)c1)c1c(F)cc(C(F)(F)F)cc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.