Task: Answer the multiple-choice question.
Query: What is the hERG inhibition at 1uM of a compound with the SMILES CCn1c(-c2ccc[nH]c2=O)nc2ccccc21?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) 6.240
(b) 15.815
(c) 16.138
(d) 14.751
Answer: a. 6.240\%.
{#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}.
CCn1c(-c2ccc[nH]c2=O)nc2ccccc21
CCn1c(-c2ccc[nH]c2=O)nc2ccccc21
3-(1-ethylbenzimidazol-2-yl)-1H-pyridin-2-one