Using COC(=O)C(=Cc1cc(C)c2nn(COCC[Si](C)(C)C)cc2c1)C(=O)OC(C)(C)C to produce COC(=O)C(Cc1cc(C)c2nn(COCC[Si](C)(C)C)cc2c1)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.