Using O=C(CC=C(c1ccc(F)cc1)c1ccc(F)cc1)N1CCC2(C=Cc3ccccc32)CC1 to produce O=C(CCC(c1ccc(F)cc1)c1ccc(F)cc1)N1CCC2(CCc3ccccc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.