Problem statement: Answer the MCQ question.
Question: Which compound exhibits a -1.407\% 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. CC(=O)N1N=C(c2cccc([N+](=O)[O-])c2)OC1c1ccccc1Cl
b. O=C(NC(=S)N1CCCCCC1)c1ccccc1Cl
Answer: a. CC(=O)N1N=C(c2cccc([N+](=O)[O-])c2)OC1c1ccccc1Cl
{#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#}
CC(=O)N1N=C(c2cccc([N+](=O)[O-])c2)OC1c1ccccc1Cl
CC(=O)N1N=C(c2cccc([N+](=O)[O-])c2)OC1c1ccccc1Cl
1-[2-(2-chlorophenyl)-5-(3-nitrophenyl)-2H-1,3,4-oxadiazol-3-yl]ethanone