Using O=C1c2ccccc2C(=O)N1c1cnc(NCCNc2ccc([N+](=O)[O-])cn2)nc1-c1ccc(Cl)cc1Cl to produce Nc1cnc(NCCNc2ccc([N+](=O)[O-])cn2)nc1-c1ccc(Cl)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.