Using CSc1ccc(CN2C(=O)c3ccccc3C2=O)cc1F, N#CN to produce CS(=NC#N)c1ccc(CN2C(=O)c3ccccc3C2=O)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.