Using C#CCCO[Si](C)(C)C(C)(C)C, COCOc1ccc(C2(C)COc3cc(OCOC)ccc3C2=O)cc1 to produce COCOc1ccc(C2(C)COc3cc(OCOC)ccc3C2(O)C#CCCO[Si](C)(C)C(C)(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.