Using C#C[Si](C)(C)C, CCCCOC(=O)c1nc(Br)c2sccc2c1O to produce CCCCOC(=O)c1nc(C#C[Si](C)(C)C)c2sccc2c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.