Using Cn1c(=O)cc(-c2cccc(I)c2)c2cc(C(=O)c3ccc(Cl)cc3)ccc21, C#C[Si](C)(C)C to produce Cn1c(=O)cc(-c2cccc(C#C[Si](C)(C)C)c2)c2cc(C(=O)c3ccc(Cl)cc3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.