Using C[Si](C)(C)CCOCn1ccc2nc(NN)cnc21, CC1CCCCC1C(=O)O to produce CC1CCCCC1C(=O)NNc1cnc2c(ccn2COCC[Si](C)(C)C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.