Using O=C(Nc1ccc(Cl)c(-c2nc3ncc([N+](=O)[O-])cc3[nH]2)c1)c1ccco1 to produce Nc1cnc2nc(-c3cc(NC(=O)c4ccco4)ccc3Cl)[nH]c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.