Task: Answer the MCQ question.
Question: Which compound exhibits a 1.511\% 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. O=C(Nc1cccc(C(F)(F)F)c1)c1cccnc1N1CCCC1
b. C/C(Cn1nnc([N+](=O)[O-])n1)=N\NC(=O)c1cccc(Cl)c1
Answer: b. C/C(Cn1nnc([N+](=O)[O-])n1)=N\NC(=O)c1cccc(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#}
C/C(Cn1nnc([N+](=O)[O-])n1)=N\NC(=O)c1cccc(Cl)c1
C/C(Cn1nnc([N+](=O)[O-])n1)=N\NC(=O)c1cccc(Cl)c1
3-chloro-N-[(E)-1-(5-nitrotetrazol-2-yl)propan-2-ylideneamino]benzamide