Using COC(=O)C(N)(CF)CF, O=C(O)c1nn(-c2cc(Cl)ccn2)c2c1C[C@@H]1C[C@H]21 to produce O=C(NC(CO)(CF)CF)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.