Task: Answer the multiple-choice question.
Query: Which drug exhibits a 3.230\% 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) NNC(=O)CSc1nnnn1-c1ccccc1
b) CCOc1cccc(-c2nnc3sc(-c4ccco4)nn23)c1
c) O=S(=O)([O-])c1cc(OS(=O)(=O)c2ccccc2)cc2ccccc12.[Na+]
Answer: a. NNC(=O)CSc1nnnn1-c1ccccc1
{#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#}
NNC(=O)CSc1nnnn1-c1ccccc1
NNC(=O)CSc1nnnn1-c1ccccc1
2-(4-phenyltetrazol-5-yl)sulfanylacetohydrazide