Using COc1cc2c(c(OC)c1OCc1ccccc1)N(C(=O)OCC[Si](C)(C)C)[C@@H](O)[C@@H]1CCCN1C2=O to produce COc1cc2c(c(OC)c1O)N(C(=O)OCC[Si](C)(C)C)[C@@H](O)[C@@H]1CCCN1C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.