Using C=CC[Si](CC=C)(CC=C)CCC[Si](O)(CCC[Si](CC=C)(CC=C)CC=C)C(C)(C)C, CCN(CC)CC to produce C=CC[Si](CC=C)(CC=C)CCC[Si](CCC[Si](CC=C)(CC=C)CC=C)(OC)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.