Task: Answer the multiple choice question.
Query: Which drug exhibits a 2.739\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) S=C(NCc1ccccc1)NC1CCCCC1
b) NC(=O)Nc1ccc(Nc2ccccc2)cc1
Answer: b. NC(=O)Nc1ccc(Nc2ccccc2)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#}
NC(=O)Nc1ccc(Nc2ccccc2)cc1
NC(=O)Nc1ccc(Nc2ccccc2)cc1
(4-anilinophenyl)urea