Task: Answer the MCQ question.
Question: Which drug has a 2.475\% 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) CN(Cc1ccccc1F)C(=O)CN1CCN(S(=O)(=O)c2ccc3c(c2)OCCCO3)CC1
b) CN(C)c1c([N+](=O)[O-])ncn1C
c) Cc1nc2scc(-c3cccs3)c2c(=O)[nH]1
d) CC(OC(=O)COc1ccccc1Cc1ccccc1)C(=O)N(C)c1ccccc1
Answer: b. CN(C)c1c([N+](=O)[O-])ncn1C
{#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#}
CN(C)c1c([N+](=O)[O-])ncn1C
CN(C)c1c([N+](=O)[O-])ncn1C
N,N,3-trimethyl-5-nitroimidazol-4-amine