Problem statement: Answer the multiple-choice question.
Question: Which drug has a 21.668\% 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+](C)(C)c1ccccc1.[I-]
b Cc1nnc(SC(C)C(=O)Nc2nccs2)s1
Answer: b. Cc1nnc(SC(C)C(=O)Nc2nccs2)s1
{#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#}
2-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]-N-(1,3-thiazol-2-yl)propanamide