Task: Answer the MCQ question.
Question: Which compound has a 20.456% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a O=C(O)C1=C[C@@H](c2ccc3c(c2)OCO3)C[C@@H](OCCCCO)O1
b O=C(CCc1ccccc1)Nc1ccc(F)c([N+](=O)[O-])c1
c c1ccc(COC2CCCN(Cc3nc(-c4cccs4)no3)C2)nc1
d CCOC(=O)c1c(N2C(=O)Nc3ccccc3N2O)sc2c1CCCCC2
e CCOc1ccc(Cl)cc1CNCCCSc1ncccn1
Answer: a. O=C(O)C1=C[C@@H](c2ccc3c(c2)OCO3)C[C@@H](OCCCCO)O1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(O)C1=C[C@@H](c2ccc3c(c2)OCO3)C[C@@H](OCCCCO)O1
O=C(O)C1=C[C@@H](c2ccc3c(c2)OCO3)C[C@@H](OCCCCO)O1
(2S,4S)-4-(1,3-benzodioxol-5-yl)-2-(4-hydroxybutoxy)-3,4-dihydro-2H-pyran-6-carboxylic acid