Task: Answer the MCQ question.
Query: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES O=C(Nc1cccnc1)c1c(O)c2cccc3c2n(c1=O)CC3?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
(a) 16.551
(b) 4.031
(c) 18.953
(d) -0.701
Answer: a. 16.551\%.
{#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=C(Nc1cccnc1)c1c(O)c2cccc3c2n(c1=O)CC3
O=C(Nc1cccnc1)c1c(O)c2cccc3c2n(c1=O)CC3
9-hydroxy-11-oxo-N-pyridin-3-yl-1-azatricyclo[6.3.1.04,12]dodeca-4(12),5,7,9-tetraene-10-carboxamide