Using CC1(C)OB(c2ccc([Si](C)(C)C(C)(C)C)s2)OC1(C)C, CC(C)[C@H](CO)NCc1cccc(Br)n1 to produce CC(C)[C@H](CO)NCc1cccc(-c2ccc([Si](C)(C)C(C)(C)C)s2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.