Task: Answer the MCQ question.
Query: Which drug exhibits a 20.688% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COC(=O)c1cc(S(=O)(=O)NCCc2ccccc2)c[nH]1
[b] CCCCN(C(=O)c1oc2ccc(OCC)cc2c1C)c1c(N)n(CC(C)C)c(=O)[nH]c1=O
Answer: b. CCCCN(C(=O)c1oc2ccc(OCC)cc2c1C)c1c(N)n(CC(C)C)c(=O)[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_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#}
CCCCN(C(=O)c1oc2ccc(OCC)cc2c1C)c1c(N)n(CC(C)C)c(=O)[nH]c1=O
CCCCN(C(=O)c1oc2ccc(OCC)cc2c1C)c1c(N)n(CC(C)C)c(=O)[nH]c1=O
N-[6-amino-1-(2-methylpropyl)-2,4-dioxopyrimidin-5-yl]-N-butyl-5-ethoxy-3-methyl-1-benzofuran-2-carboxamide