Using Cc1nn(-c2ccnc3c2ccn3COCC[Si](C)(C)C)cc1C1=CC(=O)CCC1 to produce Cc1nn(-c2ccnc3c2ccn3COCC[Si](C)(C)C)cc1C1CCCC(O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.