Using C=CC(=O)OC(C)(C)C, O=C(N(CC1CCNC1)[C@@H]1C[C@H]1c1ccccc1)C(F)(F)F to produce CC(C)(C)OC(=O)CCN1CCC(CN(C(=O)C(F)(F)F)[C@@H]2C[C@H]2c2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.