Task: Answer the MCQ question.
Query: Which compound exhibits a -20.927% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCCN(C(=O)c1ccco1)c1nnc(-c2ccncc2)s1
(b) CCOC(=O)c1c(NC(=O)CSc2nnc(-c3ccc(Cl)cc3)o2)sc2c1CCC2
Answer: a. CCCN(C(=O)c1ccco1)c1nnc(-c2ccncc2)s1
{#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#}
CCCN(C(=O)c1ccco1)c1nnc(-c2ccncc2)s1
CCCN(C(=O)c1ccco1)c1nnc(-c2ccncc2)s1
N-propyl-N-(5-pyridin-4-yl-1,3,4-thiadiazol-2-yl)furan-2-carboxamide