Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -16.804\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) O=C1CSc2ccccc2N1Cc1ccccc1F
b) CC1CCCCN1c1ccc(N)cc1C(N)=O
Answer: a. O=C1CSc2ccccc2N1Cc1ccccc1F
{#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=C1CSc2ccccc2N1Cc1ccccc1F
O=C1CSc2ccccc2N1Cc1ccccc1F
4-[(2-fluorophenyl)methyl]-1,4-benzothiazin-3-one