Using CC1(C)OB(B2OC(C)(C)C(C)(C)O2)OC1(C)C, O=C1Nc2cc(Br)cnc2C12CCOCC2 to produce O=C1Nc2cc(B(O)O)cnc2C12CCOCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.