Using O=C(c1ccc(O)c(Br)c1)c1cccs1, CCOC(=O)C(C)(C)Br to produce CCOC(=O)C(C)(C)Oc1ccc(C(=O)c2cccs2)cc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.