Task: Answer the MCQ question.
Question: Which compound exhibits a 15.939\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1cc(C)nc(OCCNC(=O)COc2ccc(Cl)cc2Cl)n1
[b] CCOP(=O)(OCC)/C(C#N)=C/c1cc(OC)ccc1OC
Answer: b. CCOP(=O)(OCC)/C(C#N)=C/c1cc(OC)ccc1OC
{#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#}
(E)-2-diethoxyphosphoryl-3-(2,5-dimethoxyphenyl)prop-2-enenitrile