Using COC(=O)C(NC(=O)c1nn(-c2cc(Cl)ccn2)c2c1C[C@@H]1C[C@H]21)C(C)(C)F to produce CC(C)(F)C(CO)NC(=O)c1nn(-c2cc(Cl)ccn2)c2c1C[C@@H]1C[C@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.