Problem statement: Answer the multiple choice question.
Question: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES O=C(COC(=O)[C@@H]1CC(O)CN1S(=O)(=O)c1ccc([N+](=O)[O-])cc1)NC12CC3CC(CC(C3)C1)C2?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
a) 1.670
b) 16.421
Answer: a. 1.670\%.
{#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(COC(=O)[C@@H]1CC(O)CN1S(=O)(=O)c1ccc([N+](=O)[O-])cc1)NC12CC3CC(CC(C3)C1)C2
O=C(COC(=O)[C@@H]1CC(O)CN1S(=O)(=O)c1ccc([N+](=O)[O-])cc1)NC12CC3CC(CC(C3)C1)C2
[2-(1-adamantylamino)-2-oxoethyl] (2S)-4-hydroxy-1-(4-nitrophenyl)sulfonylpyrrolidine-2-carboxylate