Using COC(=O)C1CCCN(C(=O)OC(C)(C)C)CC1, O=[N+]([O-])/C=C/c1ccccc1 to produce COC(=O)C1(C(C[N+](=O)[O-])c2ccccc2)CCCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.