Using CC(C)(C)[Si](C)(C)Cl, CC(C)(CO)n1cc(I)c2cnc(Cl)nc21 to produce CC(C)(CO[Si](C)(C)C(C)(C)C)n1cc(I)c2cnc(Cl)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.