Task: Answer the multiple-choice question.
Question: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES O=C1OCCC1Sc1ncnc2sccc12?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a: 16.815
b: 15.772
c: -4.955
d: 19.333
Answer: c. -4.955\%.
{#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}.
O=C1OCCC1Sc1ncnc2sccc12
O=C1OCCC1Sc1ncnc2sccc12
3-thieno[2,3-d]pyrimidin-4-ylsulfanyloxolan-2-one