Using CCOC(=O)C1=C(C)NC(=S)NC1c1cccc([N+](=O)[O-])c1, BrCc1ccccc1 to produce CCOC(=O)C1=C(C)NC(SCc2ccccc2)=NC1c1cccc([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.