Using CN(C(=O)OC(C)(C)C)c1cc(N(C(=O)OC(C)(C)C)c2ccc(CO)cc2[N+](=O)[O-])ncn1, O=C([O-])[O-] to produce COCc1ccc(N(C(=O)OC(C)(C)C)c2cc(N(C)C(=O)OC(C)(C)C)ncn2)c([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.