Using CCCN, O=C(O)c1cc2cc([N+](=O)[O-])ccc2[nH]1 to produce CCCNC(=O)c1cc2cc([N+](=O)[O-])ccc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.