Problem statement: Answer the MCQ question.
Query: Which drug has a -22.754% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCCC[C@@H]1CNCCN1CCc1cccc2ccccc12
b: COc1cc(/C=N/NC(=O)c2nonc2C)ccc1O
c: CCc1noc(C)c1C(=O)N(CC)CC(=O)Nc1ccccc1C(F)(F)F
d: N#CC(CC(=O)c1ccc(F)cc1)c1ccc2c(c1)OCO2
Answer: a. CCCC[C@@H]1CNCCN1CCc1cccc2ccccc12
{#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#}
CCCC[C@@H]1CNCCN1CCc1cccc2ccccc12
CCCC[C@@H]1CNCCN1CCc1cccc2ccccc12
(2R)-2-butyl-1-(2-naphthalen-1-ylethyl)piperazine