Using CCOC(=O)c1sc(Br)nc1C(C)C, Cc1cc(O)ccc1B1OC(C)(C)C(C)(C)O1 to produce CCOC(=O)c1sc(-c2ccc(O)cc2C)nc1C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.