Task: Answer the MCQ question.
Query: Which compound has a 13.760\% 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=c1[nH]c2cc(Cl)cc(Cl)c2[nH]c1=O
b) O=C(NCCC1CCCCN1S(=O)(=O)c1ccc(F)cc1)C(=O)NCC1CCCO1
c) CCCCN(C(=O)c1ccc(-c2ccc([N+](=O)[O-])cc2)o1)c1c(N)n(CCCC)c(=O)[nH]c1=O
d) CCCN(CC(=O)Nc1ccccc1OC)C(=O)C1CCCC1
Answer: a. O=c1[nH]c2cc(Cl)cc(Cl)c2[nH]c1=O
{#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]c2cc(Cl)cc(Cl)c2[nH]c1=O
O=c1[nH]c2cc(Cl)cc(Cl)c2[nH]c1=O
5,7-dichloro-1,4-dihydroquinoxaline-2,3-dione