Using CCOC(=O)CBr, O=[N+]([O-])c1ccc(NS(=O)(=O)c2ccccc2)cc1 to produce CCOC(=O)CN(c1ccc([N+](=O)[O-])cc1)S(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.