Task: Answer the multiple-choice question.
Query: Which compound exhibits a 7.648\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=C1C2C3C=CC(C4CC34)C2C(=O)N1/N=C/c1ccc(-c2ccc(Cl)cc2[N+](=O)[O-])o1
b. NC(=O)CC(NC(=O)c1ccccc1)c1ccc(N2CCN(c3ccccn3)CC2)c([N+](=O)[O-])c1
Answer: b. NC(=O)CC(NC(=O)c1ccccc1)c1ccc(N2CCN(c3ccccn3)CC2)c([N+](=O)[O-])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#}
NC(=O)CC(NC(=O)c1ccccc1)c1ccc(N2CCN(c3ccccn3)CC2)c([N+](=O)[O-])c1
NC(=O)CC(NC(=O)c1ccccc1)c1ccc(N2CCN(c3ccccn3)CC2)c([N+](=O)[O-])c1
N-[3-amino-1-[3-nitro-4-(4-pyridin-2-ylpiperazin-1-yl)phenyl]-3-oxopropyl]benzamide