Task: Answer the MCQ question.
Question: Which drug has a 2.339\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1c(Cl)cccc1NC(=S)N(Cc1ccccc1)Cc1cccnc1
(b) O=C(NNC(=O)c1ccccc1Cl)c1ccc(-n2cncn2)c([N+](=O)[O-])c1
Answer: b. O=C(NNC(=O)c1ccccc1Cl)c1ccc(-n2cncn2)c([N+](=O)[O-])c1
{#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#}
O=C(NNC(=O)c1ccccc1Cl)c1ccc(-n2cncn2)c([N+](=O)[O-])c1
O=C(NNC(=O)c1ccccc1Cl)c1ccc(-n2cncn2)c([N+](=O)[O-])c1
N'-(2-chlorobenzoyl)-3-nitro-4-(1,2,4-triazol-1-yl)benzohydrazide