Task: Answer the multiple choice question.
Question: Which compound exhibits a 5.364\% 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 other words.
Options:
a CCOc1cc(C)nc(NCc2ccccc2)n1
b Cc1ccc(C)c(-n2c(-c3cccnc3)n[nH]c2=S)c1
Answer: a. CCOc1cc(C)nc(NCc2ccccc2)n1
{#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#}
CCOc1cc(C)nc(NCc2ccccc2)n1
CCOc1cc(C)nc(NCc2ccccc2)n1
N-benzyl-4-ethoxy-6-methylpyrimidin-2-amine