Using C[Si](C)(C)CCOCCl, COC(=O)CCc1nc(-c2ccccc2)c(-c2ccccc2)[nH]1 to produce COC(=O)CCc1nc(-c2ccccc2)c(-c2ccccc2)n1COCC[Si](C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.