Using CCOC(=O)CBr, Cc1ccc(S(=O)(=O)Nc2c([N+](=O)[O-])cc([N+](=O)[O-])c3ccccc23)cc1 to produce CCOC(=O)CN(c1c([N+](=O)[O-])cc([N+](=O)[O-])c2ccccc12)S(=O)(=O)c1ccc(C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.