Task: Answer the MCQ question.
Query: Which compound has a 5.336\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. COCc1nn2c(N)c(C#N)cnc2c1-c1ccccc1
b. COc1ccc2nc(N/C(N)=N/C(=S)Nc3ccc(C)c(C)c3)nc(C)c2c1
c. Cc1ccc(C(O)(C(=O)NNC(=O)CN2CCN(C)CC2)c2ccc(C)cc2)cc1
d. C/C=C(\C)CN1CCN(c2ccccc2F)CC1
Answer: d. C/C=C(\C)CN1CCN(c2ccccc2F)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
C/C=C(\C)CN1CCN(c2ccccc2F)CC1
C/C=C(\C)CN1CCN(c2ccccc2F)CC1
1-(2-fluorophenyl)-4-[(E)-2-methylbut-2-enyl]piperazine