Using COc1cc2c(Br)csc2cn1, CC(C)OB1OC(C)(C)C(C)(C)O1 to produce COc1cc2c(B3OC(C)(C)C(C)(C)O3)csc2cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.