Using CC1(C)CCC(=O)c2cc(C#Cc3ccc(C(=O)O)cc3)ccc21, C[Si](C)(C)C#N to produce CC1(C)CC=C(O[Si](C)(C)C)c2cc(C#Cc3ccc(C(=O)O)cc3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.