Using CC(C)(C)OC(=O)NCc1cncc2c1ccn2COCC[Si](C)(C)C, COS(=O)(=O)c1ccc(C)cc1 to produce CN(Cc1cncc2c1ccn2COCC[Si](C)(C)C)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.