Using O=[N+]([O-])c1cccc2nc3ccccc3c(Cl)c12, NNC1=NCCS1 to produce O=[N+]([O-])c1cccc2[nH]c3ccccc3c(=NN=C3NCCS3)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.