Using C[C@@H]1C[C@@H](NC(=O)Nc2cnc3c(ccn3COCC[Si](C)(C)C)n2)CN(C(=O)OCc2ccccc2)C1 to produce C[C@H]1CNC[C@H](NC(=O)Nc2cnc3c(ccn3COCC[Si](C)(C)C)n2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.