Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -18.841% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CCCn1cnc2cc(NCc3ccccn3)ccc21
b O=C(c1ccco1)N1CCCN(C(=O)c2ccco2)CC1
Answer: a. CCCn1cnc2cc(NCc3ccccn3)ccc21
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCn1cnc2cc(NCc3ccccn3)ccc21
CCCn1cnc2cc(NCc3ccccn3)ccc21
1-propyl-N-(pyridin-2-ylmethyl)benzimidazol-5-amine