Using CC(C)(C)OC(=O)N1CCN(c2ccccc2[N+](=O)[O-])C(CC(=O)O)C1 to produce CC(C)(C)OC(=O)N1CCN2c3ccccc3NC(=O)CC2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.