Task: Answer the multiple-choice question.
Question: Which drug has a -18.040\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) COc1ccccc1OCc1ccc(C(=O)NCC2CCCO2)o1
(b) O=[N+]([O-])c1ccc(N2CCN(Cc3cccc([N+](=O)[O-])c3)CC2)cc1
Answer: b. O=[N+]([O-])c1ccc(N2CCN(Cc3cccc([N+](=O)[O-])c3)CC2)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#}
O=[N+]([O-])c1ccc(N2CCN(Cc3cccc([N+](=O)[O-])c3)CC2)cc1
O=[N+]([O-])c1ccc(N2CCN(Cc3cccc([N+](=O)[O-])c3)CC2)cc1
1-(4-nitrophenyl)-4-[(3-nitrophenyl)methyl]piperazine