Task: Answer the multiple-choice question.
Question: Which drug has a 3.334\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a Clc1cccc(-c2nc(-c3ccccn3)no2)c1
b O=[N+]([O-])c1ccc(N2CCN(c3ccccn3)CC2)c(Cl)c1
c O=C(Nc1ccc(Nc2ccccc2)cc1)c1ccccc1
Answer: b. O=[N+]([O-])c1ccc(N2CCN(c3ccccn3)CC2)c(Cl)c1
{#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(c3ccccn3)CC2)c(Cl)c1
O=[N+]([O-])c1ccc(N2CCN(c3ccccn3)CC2)c(Cl)c1
1-(2-chloro-4-nitrophenyl)-4-pyridin-2-ylpiperazine