Using CC(C)(C)C(=O)c1cn(COCC[Si](C)(C)C)c2ncc(=O)[nH]c12, CCI to produce CCOc1cnc2[nH]cc(C(=O)C(C)(C)C)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.