Using CC(C)(C)S, COC(=O)C(Br)c1c(C)sc(C)c1-c1ccc2c(c1)CCCO2 to produce COC(=O)C(SC(C)(C)C)c1c(C)sc(C)c1-c1ccc2c(c1)CCCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.