Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 9.474\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CCCCC#Cc1cncc(C(=O)NN)c1
b) CN(C)S(=O)(=O)n1cc(/C=C(\NC(=O)c2ccccc2Cl)C(=O)NCCCn2ccnc2)c2ccccc21
Answer: a. CCCCC#Cc1cncc(C(=O)NN)c1
{#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#}
CCCCC#Cc1cncc(C(=O)NN)c1
CCCCC#Cc1cncc(C(=O)NN)c1
5-hex-1-ynylpyridine-3-carbohydrazide