Task: Answer the MCQ question.
Question: Which drug exhibits a -1.956% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CCCCCCn1c(N2CCCC2)nc2c1c(=O)n(C)c(=O)n2C
b COc1ccc(N(CC(=O)NC(C)c2ccccc2)S(=O)(=O)c2c(C)noc2C)cc1
c Cc1c(C(=O)C(=O)NCc2cccs2)c2ccccc2n1C
Answer: a. CCCCCCn1c(N2CCCC2)nc2c1c(=O)n(C)c(=O)n2C
{#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#}
CCCCCCn1c(N2CCCC2)nc2c1c(=O)n(C)c(=O)n2C
CCCCCCn1c(N2CCCC2)nc2c1c(=O)n(C)c(=O)n2C
7-hexyl-1,3-dimethyl-8-pyrrolidin-1-ylpurine-2,6-dione