Task: Answer the multiple-choice question.
Query: Which drug exhibits a 8.253\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a O=C(CSC(=S)N1CCCCC1)Nc1nc(-c2ccccc2)c(-c2ccccc2)o1
b CNC(=O)[C@@H]1CCC(=O)N1
Answer: b. CNC(=O)[C@@H]1CCC(=O)N1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CNC(=O)[C@@H]1CCC(=O)N1
CNC(=O)[C@@H]1CCC(=O)N1
(2S)-N-methyl-5-oxopyrrolidine-2-carboxamide