Task: Answer the multiple choice question.
Query: Which drug has a 6.523% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCNC(=S)Nc1ccc2[nH]c(=O)[nH]c2c1
b: CC(C(=O)Nc1ccc(F)cc1Cl)N1CCN(S(=O)(=O)c2cccs2)CC1
Answer: a. CCNC(=S)Nc1ccc2[nH]c(=O)[nH]c2c1
{#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#}
CCNC(=S)Nc1ccc2[nH]c(=O)[nH]c2c1
CCNC(=S)Nc1ccc2[nH]c(=O)[nH]c2c1
1-ethyl-3-(2-oxo-1,3-dihydrobenzimidazol-5-yl)thiourea