Task: Answer the multiple-choice question.
Question: Which compound has a 3.471\% 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 CCOC(=S)SCc1cn2cccc(C)c2n1
b CCc1ccc(NC(=O)CSc2nc3ccccc3c(=O)n2CCN2CCOCC2)cc1
c O=C(Nc1ccccc1Sc1ccccc1)c1ccccc1
d CCCc1ccc(C(=O)CCC(=O)O)cc1
Answer: d. CCCc1ccc(C(=O)CCC(=O)O)cc1
{#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#}
4-hydroxy-1-(4-propylphenyl)butane-1,4-dione