Task: Answer the MCQ question.
Query: Which drug exhibits a 18.680% 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] Cc1ccc(C)n1-c1sc2c(c1C(=O)O)CCCC2
[b] O=C(c1ccc(Cn2c(=S)[nH]c3cc4c(cc3c2=O)OCO4)cc1)N1CCN(c2ncccn2)CC1
Answer: a. Cc1ccc(C)n1-c1sc2c(c1C(=O)O)CCCC2
{#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#}
Cc1ccc(C)n1-c1sc2c(c1C(=O)O)CCCC2
Cc1ccc(C)n1-c1sc2c(c1C(=O)O)CCCC2
2-(2,5-dimethylpyrrol-1-yl)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylic acid