Task: Answer the multiple-choice question.
Query: Which compound exhibits a 8.101\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CCOc1cc(/C=C/C(=O)O)ccc1OCCO
b. CSc1nc(C)c(C(=O)Nc2ccccc2)c(C)c1C#N
c. CCOC(=O)c1c(C)n(OCc2ccccc2)c2ccc3c(no[n+]3[O-])c12
d. O=C(CCC1CCCC1)NCCCN1CCOCC1
Answer: a. CCOc1cc(/C=C/C(=O)O)ccc1OCCO
{#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#}
(E)-3-[3-ethoxy-4-(2-hydroxyethoxy)phenyl]prop-2-enoic acid