Using CC1(C)OB(C2=CCCCC23OCCO3)OC1(C)C, Nc1nnc(Cl)cc1Br to produce Nc1nnc(Cl)cc1C1=CCCCC12OCCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.