Using CCO, O=[N+]([O-])c1ccc(-n2cc(-c3ccc(Cl)cc3Cl)nc2Cc2ccc(-c3ccnc(Cl)c3)cc2)cc1 to produce O=c1cc(-c2ccc(Cc3nc(-c4ccc(Cl)cc4Cl)cn3-c3ccc([N+](=O)[O-])cc3)cc2)cc[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.