Task: Answer the MCQ question.
Query: Which compound has a 9.195\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCCOc1ncnc2c1[nH]c1ccc(C)cc12
b: CC(=O)c1c(C)[nH]c(C(=O)OC2CCCCC2=O)c1C
Answer: a. CCCOc1ncnc2c1[nH]c1ccc(C)cc12
{#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#}
CCCOc1ncnc2c1[nH]c1ccc(C)cc12
CCCOc1ncnc2c1[nH]c1ccc(C)cc12
8-methyl-4-propoxy-5H-pyrimido[5,4-b]indole