Using O=[N+]([O-])c1ccc(O)cc1, Clc1ncnc2[nH]c(-c3ccccc3)cc12 to produce O=[N+]([O-])c1ccc(Oc2ncnc3[nH]c(-c4ccccc4)cc23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.