Using CC(C)OB(OC(C)C)OC(C)C, CN1CCN(S(=O)(=O)c2ccc(Br)cc2)CC1 to produce CN1CCN(S(=O)(=O)c2ccc(B(O)O)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.