Using CC(C)[C@]1(C(=O)O)CC[C@@H](NC(=O)OC(C)(C)C)C1, OC1(c2ccccc2C(F)(F)F)CCNCC1 to produce CC(C)[C@]1(C(=O)N2CCC(O)(c3ccccc3C(F)(F)F)CC2)CC[C@@H](NC(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.