Task: Answer the MCQ question.
Query: Which compound exhibits a 1.375\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) OCC#Cc1cnc2ccccc2c1
(b) O=C(NNC(=S)NCc1ccccc1)c1cccc([N+](=O)[O-])c1
Answer: a. OCC#Cc1cnc2ccccc2c1
{#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#}
OCC#Cc1cnc2ccccc2c1
OCC#Cc1cnc2ccccc2c1
3-quinolin-3-ylprop-2-yn-1-ol