Task: Answer the MCQ question.
Query: Which compound exhibits a 19.548\% 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 other words.
Options:
a) O=C(COc1ccc2ccccc2c1)Nc1nc2ccccc2[nH]1
b) COc1ccc(Cl)cc1NC(=S)NCCc1c[nH]c2ccccc12
c) COc1cnn(-c2ccc(F)cc2)c(=O)c1Br
d) Cc1ccsc1C(=O)C1CCCN(Cc2cccc(-n3cccn3)c2)C1
Answer: c. COc1cnn(-c2ccc(F)cc2)c(=O)c1Br
{#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#}
COc1cnn(-c2ccc(F)cc2)c(=O)c1Br
COc1cnn(-c2ccc(F)cc2)c(=O)c1Br
4-bromo-2-(4-fluorophenyl)-5-methoxypyridazin-3-one