Using c1nc[nH]n1, CCSC(F)(F)C1(c2ccc(F)cc2F)CO1 to produce CCSC(F)(F)C(O)(Cn1cncn1)c1ccc(F)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.