Task: Answer the MCQ question.
Question: Which compound has a 13.221\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a CC(c1ccccc1)c1nnc(N)s1
b COc1ccc(C(=O)NCc2ccccn2)cc1
c Cc1ccc(C(=O)Nc2cc3ccccc3oc2=O)cc1
Answer: a. CC(c1ccccc1)c1nnc(N)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#}
CC(c1ccccc1)c1nnc(N)s1
CC(c1ccccc1)c1nnc(N)s1
5-(1-phenylethyl)-1,3,4-thiadiazol-2-amine