Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 12.387\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a.) COc1cc(OC)c(C(=O)NNC(=S)NC2CCCCC2)cc1OC
b.) C=CCn1cc([N+](=O)[O-])nc1C
c.) COc1ccc(/C=N/NC(=O)c2ccccc2OC)cc1COc1ccccc1[N+](=O)[O-]
d.) CCOCC(=O)N1CCN(c2ccc(F)cc2)CC1
Answer: b. C=CCn1cc([N+](=O)[O-])nc1C
{#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#}
C=CCn1cc([N+](=O)[O-])nc1C
C=CCn1cc([N+](=O)[O-])nc1C
2-methyl-4-nitro-1-prop-2-enylimidazole