Using Clc1ncnc2ccccc12, CC(C)(C)[Si](C)(C)OCCCCc1ccc(CCO)cc1 to produce CC(C)(C)[Si](C)(C)OCCCCc1ccc(CCOc2ncnc3ccccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.