Task: Answer the MCQ question.
Question: Which drug exhibits a 20.661\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: Cc1noc(C)c1S(=O)(=O)Nc1ccc(C(=O)NCCc2ccccc2)cc1
b: O=C(CCC1CCCC1)NCc1cccs1
c: CN1CCC(=NNC(=O)COc2ccc(Cl)cc2)CC1
Answer: b. O=C(CCC1CCCC1)NCc1cccs1
{#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#}
O=C(CCC1CCCC1)NCc1cccs1
O=C(CCC1CCCC1)NCc1cccs1
3-cyclopentyl-N-(thiophen-2-ylmethyl)propanamide