Using C[Si](C)(C)CCOC(=O)C(C#N)=CN(N=Cc1ccccc1)c1ccccc1 to produce C[Si](C)(C)CCOC(=O)c1cn(-c2ccccc2)nc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.