Problem statement: Answer the multiple choice question.
Question: Which compound has a 2.837\% 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. c1cncc(Cc2cc3ccccc3[nH]2)c1
b. CCOc1ccc(-n2c(C)nc3cc(C(=O)NCCCN4CCOCC4)ccc32)cc1
Answer: a. c1cncc(Cc2cc3ccccc3[nH]2)c1
{#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#}
c1cncc(Cc2cc3ccccc3[nH]2)c1
c1cncc(Cc2cc3ccccc3[nH]2)c1
2-(pyridin-3-ylmethyl)-1H-indole