Task: Answer the MCQ question.
Question: Which drug exhibits a -17.984\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CC(C)C(=O)NCCc1nc(-c2ccccc2Cl)no1
[b] O=C(Nc1cccc([N+](=O)[O-])c1)c1ccc2c(c1)C(=O)N(c1ccccn1)C2=O
Answer: b. O=C(Nc1cccc([N+](=O)[O-])c1)c1ccc2c(c1)C(=O)N(c1ccccn1)C2=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#}
O=C(Nc1cccc([N+](=O)[O-])c1)c1ccc2c(c1)C(=O)N(c1ccccn1)C2=O
O=C(Nc1cccc([N+](=O)[O-])c1)c1ccc2c(c1)C(=O)N(c1ccccn1)C2=O
N-(3-nitrophenyl)-1,3-dioxo-2-pyridin-2-ylisoindole-5-carboxamide