Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a -0.521\% 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] CCCc1cc(C(=O)O)c2ccccc2n1
[b] CC(=O)Nc1ccc(Oc2cc(N)cc([N+](=O)[O-])c2)cc1
Answer: a. CCCc1cc(C(=O)O)c2ccccc2n1
{#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#}
2-propylquinoline-4-carboxylicacid