Using CCCn1nccc1B1OC(C)(C)C(C)(C)O1, COC(=O)c1cc(Br)cs1 to produce CCCn1nccc1-c1csc(C(=O)OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.