Using CN1CCC(c2c[nH]c3ccc(Br)cc23)CC1, CC(C)OB(OC(C)C)OC(C)C to produce CN1CCC(c2c[nH]c3ccc(B(O)O)cc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.