Using O=C1CCC(=O)N1Br, Cc1ccc([N+](=O)[O-])cc1S(=O)(=O)OCC(C)(C)C to produce CC(C)(C)COS(=O)(=O)c1cc([N+](=O)[O-])ccc1CBr, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.