Using O=[N+]([O-])O, O=c1[nH]c2ccc3c(c2[nH]c1=O)CC(N1CCCC1)CC3 to produce O=c1[nH]c2cc([N+](=O)[O-])c3c(c2[nH]c1=O)CC(N1CCCC1)CC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.