Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 1.364\% 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: Cc1nnsc1C(=O)NNc1ccc(Cl)cc1
b: O=c1nc2ccccc2c2n1CC(CN1CCN(C(c3ccccc3)c3ccccc3)CC1)N2
Answer: a. Cc1nnsc1C(=O)NNc1ccc(Cl)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#}
Cc1nnsc1C(=O)NNc1ccc(Cl)cc1
Cc1nnsc1C(=O)NNc1ccc(Cl)cc1
N'-(4-chlorophenyl)-4-methylthiadiazole-5-carbohydrazide