Task: Answer the multiple-choice question.
Question: Which drug exhibits a 18.705% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(O)CCC(=O)Nc1cccc2cccnc12
[b] CC/C(=N\Nc1ccccc1[N+](=O)[O-])c1ccc(O)cc1
Answer: b. CC/C(=N\Nc1ccccc1[N+](=O)[O-])c1ccc(O)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CC/C(=N\Nc1ccccc1[N+](=O)[O-])c1ccc(O)cc1
CC/C(=N\Nc1ccccc1[N+](=O)[O-])c1ccc(O)cc1
4-[(E)-C-ethyl-N-(2-nitroanilino)carbonimidoyl]phenol