Using NC1CCCCC1, CC(=O)c1cnc2c(ncn2COCC[Si](C)(C)C)c1Cl to produce CC(=O)c1cnc2c(ncn2COCC[Si](C)(C)C)c1NC1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.