Using O=C(CCCCCCC(=O)Nc1nc(-c2ccccc2[N+](=O)[O-])cs1)NOCc1ccccc1 to produce O=C(CCCCCCC(=O)Nc1nc(-c2ccccc2[N+](=O)[O-])cs1)NO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.