Task: Answer the multiple-choice question.
Query: Which compound exhibits a 17.921\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] COc1cc(Cl)c(C)cc1NC(=O)c1ccc2c(c1)OCO2
[b] NC(=NC(=O)c1ccccc1)N1CCN(C(c2ccccc2)c2ccccc2)CC1
[c] CCOP(=S)(OCC)Oc1cc(C)oc(=O)c1Cl
Answer: c. CCOP(=S)(OCC)Oc1cc(C)oc(=O)c1Cl
{#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(=S)(OCC)Oc1cc(C)oc(=O)c1Cl
CCOP(=S)(OCC)Oc1cc(C)oc(=O)c1Cl
3-chloro-4-diethoxyphosphinothioyloxy-6-methylpyran-2-one