Using Cc1nccn1COCC[Si](C)(C)C, CC(C)(C)OC(=O)N1CC(=O)C1 to produce C[Si](C)(C)CCOCn1ccnc1CC1(O)CNC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.