Using Cc1cc2ncn(COCC[Si](C)(C)C)c2cc1C, CC(=O)N(C)C to produce CC(=O)c1nc2cc(C)c(C)cc2n1COCC[Si](C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.