Using CC1(CCCC23CCC(c4nnc(-c5ccccc5C(F)(F)F)o4)(CC2)CC3)OCCO1 to produce CC(=O)CCCC12CCC(c3nnc(-c4ccccc4C(F)(F)F)o3)(CC1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.