Using CC(C)(C)OC(=O)N1CC(CC#N)(n2cc(B3OC(C)(C)C(C)(C)O3)cn2)C1 to produce CC1(C)OB(c2cnn(C3(CC#N)CNC3)c2)OC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.