Using C[Si](C)(C)CCOCCl, C[C@@H]1CCN(Cc2ccccc2)C[C@@H]1Nc1c(C=O)cnc2[nH]ccc12 to produce C[C@@H]1CCN(Cc2ccccc2)C[C@@H]1Nc1c(C=O)cnc2c1ccn2COCC[Si](C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.