Using Nc1cccnc1Nc1cccc(-c2ccccc2)c1, O=C(O)C(=O)Cc1ccccc1[N+](=O)[O-] to produce O=c1c(Cc2ccccc2[N+](=O)[O-])nc2cccnc2n1-c1cccc(-c2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.