Using C=CCCC(O[Si](C(C)C)(C(C)C)C(C)C)c1ncccc1C=C to produce CC(C)[Si](OC1CCC=Cc2cccnc21)(C(C)C)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.