Using CCOC(=O)[C@H]1CC[C@H](n2ncc(I)c2C)CC1, COB1OC(C)(C)C(C)(C)O1 to produce CCOC(=O)[C@H]1CC[C@H](n2ncc(B3OC(C)(C)C(C)(C)O3)c2C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.