Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES CCCn1c2ccccc2c2cnn(CC(=O)NCCCN3CCN(c4ccccc4)CC3)c(=O)c21?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
[a] -1.532
[b] 5.071
Answer: a. -1.532\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
CCCn1c2ccccc2c2cnn(CC(=O)NCCCN3CCN(c4ccccc4)CC3)c(=O)c21
CCCn1c2ccccc2c2cnn(CC(=O)NCCCN3CCN(c4ccccc4)CC3)c(=O)c21
2-(4-oxo-5-propylpyridazino[4,5-b]indol-3-yl)-N-[3-(4-phenylpiperazin-1-yl)propyl]acetamide