Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a -9.450% 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: Cc1cnc(C(=O)OCC(=O)c2c[nH]c3ccccc23)cn1
b: Cc1cccc[n+]1CCCCCCCCCC[n+]1ccccc1C.[Br-]
c: CCCCNc1cc(F)nc(N)n1
Answer: c. CCCCNc1cc(F)nc(N)n1
{#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#}
CCCCNc1cc(F)nc(N)n1
CCCCNc1cc(F)nc(N)n1
4-N-butyl-6-fluoropyrimidine-2,4-diamine