Task: Answer the multiple choice question.
Query: Which compound has a 23.847\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: COc1ccc(C2=NOC(Cn3c(Cc4ccc(Cl)cc4)nc4c3c(=O)n(C)c(=O)n4C)C2)cc1
b: O=C(c1ccco1)N1CCN(C2=NS(=O)(=O)c3ccccc32)CC1
c: COCCNCCOCCOc1ccc(Cl)c(C)c1.O=C(O)C(=O)O
d: CCC(Oc1cc(Cl)ccc1Cl)C(=O)NNC(=O)CCC(=O)O
Answer: d. CCC(Oc1cc(Cl)ccc1Cl)C(=O)NNC(=O)CCC(=O)O
{#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'-[2-(2,5-dichlorophenoxy)butanoyl]-4-hydroxy-4-oxobutanehydrazide