Using O=S(=O)(OCC(F)(F)F)C(F)(F)F, C[C@@H](O)c1nc2cnc3ccsc3c2n1C1CCNCC1 to produce C[C@@H](O)c1nc2cnc3ccsc3c2n1C1CCN(CC(F)(F)F)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.