Using COC(=O)/C=C(\C1CCCC1)n1cc(-c2ncnc3c2ccn3COCC[Si](C)(C)C)cn1 to produce COC(=O)C[C@@H](C1CCCC1)n1cc(-c2ncnc3c2ccn3COCC[Si](C)(C)C)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.