Using COC(=O)C1CN(Cc2ccc3c(C(F)(F)F)c(O[C@H]4CC[C@H](C(C)(C)C)CC4)ccc3c2)C1 to produce CC(C)(C)[C@H]1CC[C@H](Oc2ccc3cc(CN4CC(C(=O)O)C4)ccc3c2C(F)(F)F)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.