Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 13.639\% 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, b, c, or d without using any additional words.
Options:
a) Clc1ccc(-c2nc3cnccn3c2Nc2ccc3c(c2)OCO3)cc1
b) O=C(N/N=C/c1ccc2nccnc2c1)c1ccccc1O
c) CSc1nc(-c2ccccc2)cc(C)c1C#N
d) COc1ccccc1-c1nnc(SCC(=O)Nc2ccccc2)o1
Answer: b. O=C(N/N=C/c1ccc2nccnc2c1)c1ccccc1O
{#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#}
2-hydroxy-N-[(E)-quinoxalin-6-ylmethylideneamino]benzamide