Task: Answer the MCQ question.
Query: Which compound exhibits a 3.639\% human ether-à-go-go related gene (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) CN1C(=O)SC(Nc2cccc3ccccc23)C1=O
b) CCN(C(=O)c1cc2c(=O)[nH]c3ccc(C)cc3c2s1)c1cccc(C)c1
Answer: a. CN1C(=O)SC(Nc2cccc3ccccc23)C1=O
{#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#}
CN1C(=O)SC(Nc2cccc3ccccc23)C1=O
CN1C(=O)SC(Nc2cccc3ccccc23)C1=O
5-(naphthalen-1-ylamino)-3-methyl-1,3-thiazolidine-2,4-dione