Task: Answer the multiple-choice question.
Question: Which drug exhibits a 28.991% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CCOn1c(=O)c[n+]([O-])c2ccccc21
b CC(NC(=O)Nc1ccc(Cl)cc1)c1ccc2c(c1)OCO2
c O=C(CCCc1ccccc1)N=C1SC2CS(=O)(=O)CC2N1c1ccccc1F
d CN(C)CCCNC(=O)C(=O)NCC1OCCN1S(=O)(=O)c1cccs1
Answer: a. CCOn1c(=O)c[n+]([O-])c2ccccc21
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOn1c(=O)c[n+]([O-])c2ccccc21
CCOn1c(=O)c[n+]([O-])c2ccccc21
1-ethoxy-4-oxidoquinoxalin-4-ium-2-one