Task: Answer the multiple-choice question.
Question: Which drug exhibits a 16.576\% 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 COc1ccc(-c2cc(CNC(=O)CN3CCN(C)CC3)on2)cc1
b CS(=O)(=O)N1CCN(c2cccc(Cl)n2)CC1
c O=Nc1c(O)n(Cc2ccc(Cl)cc2)c2ccccc12
Answer: b. CS(=O)(=O)N1CCN(c2cccc(Cl)n2)CC1
{#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#}
CS(=O)(=O)N1CCN(c2cccc(Cl)n2)CC1
CS(=O)(=O)N1CCN(c2cccc(Cl)n2)CC1
1-(6-chloropyridin-2-yl)-4-methylsulfonylpiperazine