Task: Answer the multiple-choice question.
Query: Which compound has a 13.536\% 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) CCc1ncc(C(O)c2cccc3ccccc23)n1C
(b) COc1ccccc1C(=O)NCC(=O)N/N=C/c1ccc([N+](=O)[O-])cc1
Answer: b. COc1ccccc1C(=O)NCC(=O)N/N=C/c1ccc([N+](=O)[O-])cc1
{#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#}
COc1ccccc1C(=O)NCC(=O)N/N=C/c1ccc([N+](=O)[O-])cc1
COc1ccccc1C(=O)NCC(=O)N/N=C/c1ccc([N+](=O)[O-])cc1
2-methoxy-N-[2-[(2E)-2-[(4-nitrophenyl)methylidene]hydrazinyl]-2-oxoethyl]benzamide