Using [Zn+]c1cccs1, COC(=O)c1cc(Br)c(C(=O)OC)cc1Br to produce COC(=O)c1cc(-c2cccs2)c(C(=O)OC)cc1-c1cccs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.