Using C#CCC1(N=C(c2ccccc2)c2ccccc2)CCCN(COCC[Si](C)(C)C)C1=O to produce C#CCC1(N)CCCN(COCC[Si](C)(C)C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.