Problem statement: Answer the multiple-choice question.
Question: Which drug has a 5.543\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) COc1ccc2nc(NC(=O)c3cccc(S(=O)(=O)N4CCOCC4)c3)sc2c1
(b) O=C(NNC(=O)c1cccs1)c1ccc(Cl)c([N+](=O)[O-])c1
(c) CCc1noc(C)c1C(=O)Nc1sc(C(=O)N(C)C)c(C)c1C(=O)OC
(d) N#CSCC(=O)c1cccc2ccccc12
Answer: b. O=C(NNC(=O)c1cccs1)c1ccc(Cl)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#}
N'-(4-chloro-3-nitrobenzoyl)thiophene-2-carbohydrazide