Using O=C(c1ccc(Cl)c([N+](=O)[O-])c1)c1cc([N+](=O)[O-])ccc1Cl to produce Nc1cccc(C(=O)c2cccc(N)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.