Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 21.057\% 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, b, c, or d without using any additional words.
Options:
a O=C(Nc1ncc(Cc2cccc(Cl)c2)s1)c1ccc([N+](=O)[O-])cc1
b CCCN(CC(=O)Nc1ccccc1OC)C(=O)c1cc(-c2ccccc2)nn1-c1ccccc1
c N#C/C(=C(/O)CCCl)c1ccccn1
d Cc1noc(/C=C/c2ccco2)c1S(=O)(=O)N1CCC(C(=O)Nc2ccc(Cl)cn2)CC1
Answer: c. N#C/C(=C(/O)CCCl)c1ccccn1
{#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#C/C(=C(/O)CCCl)c1ccccn1
N#C/C(=C(/O)CCCl)c1ccccn1
(E)-5-chloro-3-hydroxy-2-pyridin-2-ylpent-2-enenitrile