Task: Answer the MCQ question.
Question: Which drug exhibits a 2.352% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a O=C1c2ccccc2-c2nccnc21
b Cc1cc(C)nc([N-]S(=O)(=O)c2ccc(N)cc2)n1.[Na+]
c O=C(COC(=O)/C=C/c1ccc(Cl)cc1)NC1CCCC1
d CCOc1ccc2c(c1)-c1c(ssc1=S)C(C)(C)N2
Answer: a. O=C1c2ccccc2-c2nccnc21
{#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#}
O=C1c2ccccc2-c2nccnc21
O=C1c2ccccc2-c2nccnc21
indeno[1,2-b]pyrazin-9-one