Using CC(C)(C)N[Si](Cl)(c1ccccc1)c1ccccc1, [CH-]=C(C)C=C(C)C to produce C=C(C)C=C(C)C[Si](NC(C)(C)C)(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.