Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -0.873% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCn1nc(NC(C)=O)c2cc3ccc(C)cc3nc21
b: CCCCC1(C)Nc2ccccc2-c2nc3ccccc3n21
c: CS(=O)(=O)O.Cc1c(C(=O)c2cccc3ccccc23)c2cccc3c2n1[C@H](CN1CCOCC1)CO3
d: Cc1nc(NC(=O)CN2CCOCC2)sc1-c1ccccc1
Answer: b. CCCCC1(C)Nc2ccccc2-c2nc3ccccc3n21
{#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#}
CCCCC1(C)Nc2ccccc2-c2nc3ccccc3n21
CCCCC1(C)Nc2ccccc2-c2nc3ccccc3n21
6-butyl-6-methyl-5H-benzimidazolo[1,2-c]quinazoline