Using COCn1c(C(=O)C2CC(Nc3ncccc3[N+](=O)[O-])C2)nc2ccccc21 to produce O=C(c1nc2ccccc2[nH]1)C1CC(Nc2ncccc2[N+](=O)[O-])C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.