Using [N-]=[N+]=[N-], O=C(O)c1ccc(N2C(=O)c3cccc([N+](=O)[O-])c3C2=O)cc1 to produce [N-]=[N+]=Nc1cccc2c1C(=O)N(c1ccc(C(=O)O)cc1)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.