Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 6.753\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] Cn1c(CO)nc2cc(N)ccc21
[b] CCCc1cc(=O)[nH]c(SCC(=O)NC2(C#N)CCCCC2)n1
[c] CC(C)(C)C1CCC(OCC(O)CN2CCCC2)CC1.Cl
Answer: a. Cn1c(CO)nc2cc(N)ccc21
{#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#}
Cn1c(CO)nc2cc(N)ccc21
Cn1c(CO)nc2cc(N)ccc21
(5-amino-1-methylbenzimidazol-2-yl)methanol