Using Cc1csc2nc(C(C)N=[N+]=[N-])c(Br)c(=O)n12, CCCC[Sn](CCCC)(CCCC)c1cscn1 to produce Cc1csc2nc(C(C)N=[N+]=[N-])c(-c3cscn3)c(=O)n12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.