Task: Answer the MCQ question.
Query: Which compound exhibits a 17.930\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a.) O=c1[nH]c2ccccc2nc1-c1c[nH]c2ccccc12
b.) Cc1ccc(C)c(-n2nnnc2SCC(=O)NCC2CCCO2)c1
c.) CN(CC(=O)Nc1ccccc1Cl)C(=O)COC(=O)/C=C/c1ccccc1
d.) COC(=O)C1CCN(C(=O)Cc2ccc(Br)cc2)CC1
Answer: a. O=c1[nH]c2ccccc2nc1-c1c[nH]c2ccccc12
{#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#}
O=c1[nH]c2ccccc2nc1-c1c[nH]c2ccccc12
O=c1[nH]c2ccccc2nc1-c1c[nH]c2ccccc12
3-(1H-indol-3-yl)-1H-quinoxalin-2-one