Using CC(C)(C)OC(=O)NC1(c2ccc(-c3nc4cc(Br)ccn4c3-c3ccccc3)cc2)CCC1, C#C[Si](C)(C)C to produce CC(C)(C)OC(=O)NC1(c2ccc(-c3nc4cc(C#C[Si](C)(C)C)ccn4c3-c3ccccc3)cc2)CCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.