Problem statement: Answer the multiple-choice question.
Query: Which drug has a 2.086\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) C[N+]1(C2CCC3CCCC2C3O)CCCCC1.[I-]
(b) CCCC(=O)OCCNc1cc(Sc2nccn2C)c2nonc2c1[N+](=O)[O-]
Answer: b. CCCC(=O)OCCNc1cc(Sc2nccn2C)c2nonc2c1[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_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#}
CCCC(=O)OCCNc1cc(Sc2nccn2C)c2nonc2c1[N+](=O)[O-]
CCCC(=O)OCCNc1cc(Sc2nccn2C)c2nonc2c1[N+](=O)[O-]
2-[[7-(1-methylimidazol-2-yl)sulfanyl-4-nitro-2,1,3-benzoxadiazol-5-yl]amino]ethyl butanoate