Task: Answer the multiple-choice question.
Query: Which drug exhibits a 4.704\% 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] CCOc1ccc2[nH]c3c(NCCC(C)C)ncnc3c2c1
[b] CC(=O)c1cccc(CN2CCC(CO)(Cc3ccccc3)CC2)c1
Answer: a. CCOc1ccc2[nH]c3c(NCCC(C)C)ncnc3c2c1
{#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#}
CCOc1ccc2[nH]c3c(NCCC(C)C)ncnc3c2c1
CCOc1ccc2[nH]c3c(NCCC(C)C)ncnc3c2c1
8-ethoxy-N-(3-methylbutyl)-5H-pyrimido[5,4-b]indol-4-amine