Using CC(C)(C)OC(=O)N1CCOc2ccc(Br)cc2C1, CC(C)OB(OC(C)C)OC(C)C to produce CC(C)(C)OC(=O)N1CCOc2ccc(B(O)O)cc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.