Task: Answer the multiple-choice question.
Query: Which compound exhibits a 17.834\% human ether-à-go-go related gene (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] CCc1ccc(C(=O)Cn2cnc3cc([N+](=O)[O-])ccc3c2=O)cc1
[b] CCOP(=O)(CC(C(C)=O)C(O)c1ccccc1)OCC
Answer: b. CCOP(=O)(CC(C(C)=O)C(O)c1ccccc1)OCC
{#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#}
CCOP(=O)(CC(C(C)=O)C(O)c1ccccc1)OCC
CCOP(=O)(CC(C(C)=O)C(O)c1ccccc1)OCC
3-(diethoxyphosphorylmethyl)-4-hydroxy-4-phenylbutan-2-one