Using O=C1CCc2c1cccc2[N+](=O)[O-], O=C(Nc1ccncc1)c1ccc[nH]c1=O to produce O=C(Nc1ccncc1)c1cccn(C2CCc3c2cccc3[N+](=O)[O-])c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.