Using Cc1ccsc1[Zn+], CCC(CC)c1cc(C)nn2c(-c3ccc(Br)n3C)c(C)nc12 to produce CCC(CC)c1cc(C)nn2c(-c3ccc(-c4sccc4C)n3C)c(C)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.