Problem statement: Answer the multiple choice question.
Query: Which compound has a 18.691\% 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) CCc1ccccc1N(CC(=O)N1CCCCC1)S(=O)(=O)c1ccccc1
b) O=C(Nc1ccc2c(c1)OCCO2)c1cc(-c2ccccn2)nc2ccc(Br)cc12
c) CN(C(=O)c1ccncc1)C1CCCCC1
d) OCc1cn(-c2ccccc2)nc1-c1ccco1
Answer: c. CN(C(=O)c1ccncc1)C1CCCCC1
{#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#}
CN(C(=O)c1ccncc1)C1CCCCC1
CN(C(=O)c1ccncc1)C1CCCCC1
N-cyclohexyl-N-methylpyridine-4-carboxamide