Using O=S(=O)(O[C@H](c1ccc(Cl)nc1)C(F)(F)F)C(F)(F)F, CC1(O)CCNC1 to produce CC1(O)CCN([C@@H](c2ccc(Cl)nc2)C(F)(F)F)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.