Task: Answer the multiple choice question.
Query: Which compound has a 20.831\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) N#Cc1ccccc1NCc1ccccc1
b) CCc1ccc(C(=O)N2CCCC2)s1
c) Fc1ccc(Nc2nc(-c3ccncc3)cs2)cc1
d) CCOC(=O)CSc1nc(-c2ccc(OC)cc2)ns1
Answer: b. CCc1ccc(C(=O)N2CCCC2)s1
{#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#}
CCc1ccc(C(=O)N2CCCC2)s1
CCc1ccc(C(=O)N2CCCC2)s1
(5-ethylthiophen-2-yl)-pyrrolidin-1-ylmethanone