Task: Answer the multiple choice question.
Question: Which drug has a -4.401\% 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: Nc1ncc2c(n1)CCN(c1ccc([N+](=O)[O-])cc1)C2
b: O=C(NC1CCCCC1)c1cnn2c(C(F)(F)F)cc(-c3ccco3)nc12
c: Cc1ccccc1NC(=S)NC(=O)CCc1ccccc1
Answer: a. Nc1ncc2c(n1)CCN(c1ccc([N+](=O)[O-])cc1)C2
{#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#}
Nc1ncc2c(n1)CCN(c1ccc([N+](=O)[O-])cc1)C2
Nc1ncc2c(n1)CCN(c1ccc([N+](=O)[O-])cc1)C2
6-(4-nitrophenyl)-7,8-dihydro-5H-pyrido[4,3-d]pyrimidin-2-amine