Using CI, CN(C(=O)Nc1nc(OCC(F)(F)F)cc(OCC(F)(F)F)n1)c1ccc(C(F)(F)F)s1 to produce CN(C(=O)N(C)c1ccc(C(F)(F)F)s1)c1nc(OCC(F)(F)F)cc(OCC(F)(F)F)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.