Problem statement: Answer the multiple choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES CC(=O)c1ccc(OCC(O)CN2CCN(CC(O)COc3ccc(C(C)=O)cc3)CC2)cc1?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
[a] -18.333
[b] -7.768
Answer: b. -7.768\%.
{#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}.
1-[4-[3-[4-[3-(4-acetylphenoxy)-2-hydroxypropyl]piperazin-1-yl]-2-hydroxypropoxy]phenyl]ethanone