Problem statement: Answer the MCQ question.
Question: Which drug has a 4.235\% 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(c1ccc(C(=O)N2CCN(c3ccccc3F)CC2)nc1)N1CCN(c2ccccc2F)CC1
b: C/C(=N\NC(=O)C(N)=O)c1ccc(OC(F)F)cc1
Answer: b. C/C(=N\NC(=O)C(N)=O)c1ccc(OC(F)F)cc1
{#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#}
N'-[(E)-1-[4-(difluoromethoxy)phenyl]ethylideneamino]oxamide