Task: Answer the MCQ question.
Question: Which compound exhibits a 13.267\% 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(OC(=O)C1CC1)C(=O)Nc1ccc([N+](=O)[O-])cc1Cl
[b] O=C(O)/C=C\C(=O)Nc1ccccc1F
Answer: b. O=C(O)/C=C\C(=O)Nc1ccccc1F
{#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(O)/C=C\C(=O)Nc1ccccc1F
O=C(O)/C=C\C(=O)Nc1ccccc1F
[O][=C][Branch1][C][O][/C][=C][\C][=Branch1][C][=O][N][C][=C][C][=C][C][=C][Ring1][=Branch1][F]
(Z)-4-(2-fluoroanilino)-4-oxobut-2-enoic acid