Task: Please answer the multiple choice question.
Question: Is the molecule with the SMILES O=C(O[C@@H]1COc2nc([N+](=O)[O-])cn2C1)N1CCN(c2ccc(OC(F)(F)F)cc2)CC1 a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: Even if you are not sure, you must pick either a or b without using any other words.
Options:
[a] True
[b] False
Answer: b
Task: Please answer the multiple choice question.
Question: Is the molecule with the {SMILES__description} {#representation of |!}{SMILES#} a {herg_blocker__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2%aA1} without using any {#other|additional!} words.
Options:
{herg_blocker%}
Answer: {%multiple_choice_result}
[(6S)-2-nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-yl] 4-[4-(trifluoromethoxy)phenyl]piperazine-1-carboxylate