Using CC(=O)SCC(C)(C)C1Nc2ccc([N+](=O)[O-])cc2C2C=CCC21 to produce CC(C)(CS)C1Nc2ccc([N+](=O)[O-])cc2C2C=CCC21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.