Task: Answer the multiple-choice question.
Question: Which compound exhibits a 13.577\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. S=c1nc(C2CCCCC2)n(-c2ccccc2)[nH]1
b. CCOC(=O)c1cc(NC(=O)c2cnccn2)cc(C(=O)OCC)c1
c. Cn1c(SCC(=O)N2CCOCC2)nnc1-c1ccc(Cl)cc1Cl
d. S=c1[nH]ccn1CCc1ccccc1
e. Cc1cnc2cc([N+](=O)[O-])ccc2n1
Answer: d. S=c1[nH]ccn1CCc1ccccc1
{#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#}
S=c1[nH]ccn1CCc1ccccc1
S=c1[nH]ccn1CCc1ccccc1
3-(2-phenylethyl)-1H-imidazole-2-thione