Using CS(=O)(=O)OCCN1CCOC1=O, O=[N+]([O-])c1ccc2cn[nH]c2c1 to produce O=C1OCCN1CCn1ncc2ccc([N+](=O)[O-])cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.