Task: Answer the multiple-choice question.
Query: Which drug has a 18.484\% 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 Cc1cccc(Cn2ccc(-c3ccc(Cl)cc3)c(C#N)c2=O)c1
b CC(Sc1ccsc1[N+](=O)[O-])C(=O)NCc1ccccc1
c COc1ccc(N2Cc3cccc(C(=O)N4CCN(C(=O)c5ccco5)CC4)c3C2=O)cc1
d Cc1nnc(Sc2nc3c(c(=O)[nH]c(=O)n3C)n2CCc2ccccc2)s1
Answer: b. CC(Sc1ccsc1[N+](=O)[O-])C(=O)NCc1ccccc1
{#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#}
CC(Sc1ccsc1[N+](=O)[O-])C(=O)NCc1ccccc1
CC(Sc1ccsc1[N+](=O)[O-])C(=O)NCc1ccccc1
N-benzyl-2-(2-nitrothiophen-3-yl)sulfanylpropanamide