Using CCOC(=O)CBr, COc1ccc([N+](=O)[O-])c(CS(=O)(=O)c2ccc(C)cc2)n1 to produce CCOC(=O)CS(=O)(=O)c1ccc(C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.