Task: Answer the MCQ question.
Question: Which drug has a 19.840\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) Nc1cc(=O)[nH]c(SCC(=O)Nc2nnc(-c3ccccc3)s2)n1
(b) COc1cccc(NC(=S)Nc2cccnc2)c1
(c) COc1cc(/C=N/NC(=O)c2cccc([N+](=O)[O-])c2)ccc1OC(=O)c1ccco1
(d) O=C1c2ccccc2C(=O)N1C1CCCCC1
Answer: a. Nc1cc(=O)[nH]c(SCC(=O)Nc2nnc(-c3ccccc3)s2)n1
{#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#}
Nc1cc(=O)[nH]c(SCC(=O)Nc2nnc(-c3ccccc3)s2)n1
Nc1cc(=O)[nH]c(SCC(=O)Nc2nnc(-c3ccccc3)s2)n1
2-[(4-amino-6-oxo-1H-pyrimidin-2-yl)sulfanyl]-N-(5-phenyl-1,3,4-thiadiazol-2-yl)acetamide