Using CC(C)(C)OC(=O)N(CCCO)Cc1cc([N+](=O)[O-])ccc1Br to produce CC(C)(C)OC(=O)N(CCC=O)Cc1cc([N+](=O)[O-])ccc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.