Using COc1ccc2sc(C(N)=O)c(S)c2c1, COC(=O)C(C)Br to produce COC(=O)CCSc1c(C(N)=O)sc2ccc(OC)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.