Using O=S(Cl)Cl, CCC(Cc1ccc(C(C)(C)C)cc1Br)C(=O)O to produce CCC(Cc1ccc(C(C)(C)C)cc1Br)C(=O)Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.