Using Cc1c(Br)cccc1NCc1cc(C(C)(C)C)sc1C(=O)O, COC(=O)c1sc(C(C)(C)C)nc1C to produce COC(=O)c1sc(C(C)(C)C)nc1CBr, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.