Using NS(=O)(=O)c1ccc(NCC2CNCCO2)c([N+](=O)[O-])c1, O=C([O-])[O-] to produce CN1CCOC(CNc2ccc(S(N)(=O)=O)cc2[N+](=O)[O-])C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.