Task: Answer the multiple choice question.
Question: Which drug has a 21.490% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] CCOC(=O)c1c(NC(=O)c2c(N)n(CCCOC)c3nc4ccccc4nc23)sc2c1CCCC2
[b] Nc1ccc([N+](=O)[O-])cc1
[c] CC(=O)Nc1ccc(OCC(=O)NCc2ccccc2)cc1
[d] O=C(CSc1ccccc1)NN1C(=O)c2ccccc2C1=O
[e] O=C(Cc1c[nH]c2ccccc12)NCc1cccs1
Answer: b. Nc1ccc([N+](=O)[O-])cc1
{#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#}
Nc1ccc([N+](=O)[O-])cc1
Nc1ccc([N+](=O)[O-])cc1
4-nitrocyclohexa-1,3,5-trien-1-amine