Using O=C([O-])[O-], CC(=O)NC(=S)Nc1ccccc1[N+](=O)[O-] to produce CSC(=NC(C)=O)Nc1ccccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.