Using O=S(=O)(OCC(F)(F)F)C(F)(F)F, CC(C)(C)OC(=O)N[C@H]1CCNC1=O to produce CC(C)(C)OC(=O)N[C@H]1CCN(CC(F)(F)F)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.