Task: Answer the multiple-choice question.
Query: What is the hERG inhibition at 1uM of a drug with the SMILES O=c1c2c(ncn1CCO)nc1n2CCC1?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. 13.538
b. 10.766
c. -4.387
d. 10.988
e. 8.845
Answer: a. 13.538\%.
{#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=c1c2c(ncn1CCO)nc1n2CCC1
O=c1c2c(ncn1CCO)nc1n2CCC1
2-(2-hydroxyethyl)-7,8-dihydro-6H-purino[7,8-a]pyrrol-1-one