Using CC(=O)O[C@@H]1c2nc(C(C)C)c3c(c2[C@@H](O[Si](C)(C)C(C)(C)C)CC1(C)C)C1(CCOCC1)O[C@@H]3c1ccc(C(F)(F)F)cc1F to produce CC(C)c1nc2c(c3c1[C@@H](c1ccc(C(F)(F)F)cc1F)OC31CCOCC1)[C@@H](O)CC(C)(C)[C@@H]2O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.