Using O=C(OC1CCNCC1)[C@](O)(c1ccc(Br)cc1)[C@@H]1CCC(F)(F)C1, CCOC=N to produce N=CN1CCC(OC(=O)[C@](O)(c2ccc(Br)cc2)[C@@H]2CCC(F)(F)C2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.