Using CC(=O)N1C(=O)Cc2cc([N+](=O)[O-])ccc21, O=C(O)c1ccc(Cn2ccnc2)cc1 to produce CC(=O)N1C(=O)C(=C(O)c2ccc(Cn3ccnc3)cc2)c2cc([N+](=O)[O-])ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.