Task: Answer the multiple choice question.
Question: Which drug has a 29.781% 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=c1ccc2cc3c([nH]c4ccc(Br)cc43)oc-2c1O
b.) O=c1c([N+](=O)[O-])c(O)c2cccc3c2n1CCC3
c.) S=C(NCc1ccc(Cl)cc1)NC12CC3CC(CC(C3)C1)C2
d.) Cc1cc(/C=N\NC(=O)CC(=O)NC2CCCCC2)c(C)n1-c1cccc(Cl)c1Cl
Answer: b. O=c1c([N+](=O)[O-])c(O)c2cccc3c2n1CCC3
{#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=c1c([N+](=O)[O-])c(O)c2cccc3c2n1CCC3
O=c1c([N+](=O)[O-])c(O)c2cccc3c2n1CCC3
4-hydroxy-3-nitro-1-azatricyclo[7.3.1.05,13]trideca-3,5,7,9(13)-tetraen-2-one