Problem statement: Answer the multiple-choice question.
Question: Which drug has a 3.874\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] COc1ccccc1Nc1c([N+](=O)[O-])cc(C)cc1[N+](=O)[O-]
[b] c1ccc(-c2ncc(CSc3nncn3-c3ccccc3)s2)cc1
[c] O=C1Nc2ccccc2C12OCCCO2
Answer: b. c1ccc(-c2ncc(CSc3nncn3-c3ccccc3)s2)cc1
{#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#}
c1ccc(-c2ncc(CSc3nncn3-c3ccccc3)s2)cc1
c1ccc(-c2ncc(CSc3nncn3-c3ccccc3)s2)cc1
2-phenyl-5-[(4-phenyl-1,2,4-triazol-3-yl)sulfanylmethyl]-1,3-thiazole