Task: Answer the MCQ question.
Question: Which drug exhibits a -17.247% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a C=CCN1C(=O)c2ccc(C(=O)OCC(=O)Nc3ccc(S(N)(=O)=O)cc3)cc2C1=O
b CC1(C)CC(=O)C2=C(C1)OC(N)=C(C#N)[C@@H]2c1ccccc1[N+](=O)[O-]
Answer: b. CC1(C)CC(=O)C2=C(C1)OC(N)=C(C#N)[C@@H]2c1ccccc1[N+](=O)[O-]
{#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#}
CC1(C)CC(=O)C2=C(C1)OC(N)=C(C#N)[C@@H]2c1ccccc1[N+](=O)[O-]
CC1(C)CC(=O)C2=C(C1)OC(N)=C(C#N)[C@@H]2c1ccccc1[N+](=O)[O-]
(4S)-2-amino-7,7-dimethyl-4-(2-nitrophenyl)-5-oxo-6,8-dihydro-4H-chromene-3-carbonitrile