Using C#CCCn1cc(C(C)(C)C)sc1=N, O=C(Cl)c1cc(C(F)(F)F)ccc1F to produce C#CCCn1cc(C(C)(C)C)s/c1=N\C(=O)c1cc(C(F)(F)F)ccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.