Using O=c1[nH]c(NCCSCc2csc(CN3CCCCC3)c2)ncc1[N+](=O)[O-] to produce Nc1cnc(NCCSCc2csc(CN3CCCCC3)c2)[nH]c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.