Task: Answer the MCQ question.
Question: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES O=C(O)CC1OCC=C2CN3CCC45c6ccccc6NC4C1C2CC35?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] 3.256
[b] -0.128
[c] 4.735
[d] -23.888
Answer: c. 4.735\%.
{#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}.
2-(15-oxa-1,11-diazahexacyclo[16.3.1.04,12.04,21.05,10.013,19]docosa-5,7,9,17-tetraen-14-yl)aceticacid