Task: Answer the multiple-choice question.
Question: Which compound has a 0.925\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. O=C(NNC(=O)c1ccccc1Br)c1cccc(Cl)c1
b. CCCNC(=O)COC(=O)c1ccccc1C(=O)N(C)C1CCCCC1
c. O=C1CNC(=O)N1CC(=O)N1CCCc2ccccc21
d. Nc1nc(Nc2ccccc2)nc(NCc2ccco2)c1[N+](=O)[O-]
Answer: d. Nc1nc(Nc2ccccc2)nc(NCc2ccco2)c1[N+](=O)[O-]
{#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#}
Nc1nc(Nc2ccccc2)nc(NCc2ccco2)c1[N+](=O)[O-]
Nc1nc(Nc2ccccc2)nc(NCc2ccco2)c1[N+](=O)[O-]
4-N-(furan-2-ylmethyl)-5-nitro-2-N-phenylpyrimidine-2,4,6-triamine