Using COC(=O)C1CNCC2(CCN(C(=O)OC(C)(C)C)CC2)O1, O=S(=O)(OCC(F)(F)F)C(F)(F)F to produce COC(=O)C1CN(CC(F)(F)F)CC2(CCN(C(=O)OC(C)(C)C)CC2)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.