Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 3.069\% human ether-à-go-go related gene (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) Clc1ccc(CCNc2ncnc3c2nnn3Cc2ccccc2)cc1
(b) O/N=C/c1cn(-c2ccccc2)nn1
Answer: b. O/N=C/c1cn(-c2ccccc2)nn1
{#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/N=C/c1cn(-c2ccccc2)nn1
O/N=C/c1cn(-c2ccccc2)nn1
(NE)-N-[(1-phenyltriazol-4-yl)methylidene]hydroxylamine