Task: Answer the MCQ question.
Question: Which compound exhibits a 8.172\% 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, d, or e without using any other words.
Options:
a Cn1nc(-c2ccc(Cl)cc2)nc2c(=O)n(C)c(=O)nc1-2
b COC(=O)c1ccccc1NC(=O)CSc1n[nH]c(C)n1
c c1ccc2c(c1)ncc1cccn12
d O=[N+]([O-])C12CNCN(CN(Cc3ccccc3)C1)C2
e COc1ccc(S(=O)(=O)Nc2ccc3c(c2)OCO3)cc1
Answer: c. c1ccc2c(c1)ncc1cccn12
{#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#}
c1ccc2c(c1)ncc1cccn12
c1ccc2c(c1)ncc1cccn12
pyrrolo[1,2-a]quinoxaline