Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 8.539\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) COC(=O)c1ccccc1NC(=O)C1CCN(C(=O)N2CCOc3ccccc32)CC1
(b) O=C(CSc1ncnc2ccccc12)c1ccco1
(c) COc1ccc(CCNS(=O)(=O)CCNC(=O)c2ccc3c(c2)OCO3)cc1
(d) O=C(Cc1ccc([N+](=O)[O-])cc1)N/N=C/c1cccs1
Answer: d. O=C(Cc1ccc([N+](=O)[O-])cc1)N/N=C/c1cccs1
{#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#}
O=C(Cc1ccc([N+](=O)[O-])cc1)N/N=C/c1cccs1
O=C(Cc1ccc([N+](=O)[O-])cc1)N/N=C/c1cccs1
2-(4-nitrophenyl)-N-[(E)-thiophen-2-ylmethylideneamino]acetamide