Task: Answer the multiple choice question.
Question: Which compound exhibits a 1.547\% 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) CCn1c(=O)c(C(=O)NCc2ccc(Cl)cc2)c(O)c2ccccc21
(b) CCCNC(=O)OCc1cccnc1Sc1ccc(C)cc1
(c) Cc1ccccc1N(C(=O)c1csnn1)C(C(=O)NC1CCCCC1)c1ccncc1
(d) Cc1ccc(NC(=O)C2(c3ccc([N+](=O)[O-])cc3)CCCC2)cc1
(e) CN(Cc1nccs1)C(=O)c1ccc2nc(Cc3ccccc3F)oc2c1
Answer: b. CCCNC(=O)OCc1cccnc1Sc1ccc(C)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#}
CCCNC(=O)OCc1cccnc1Sc1ccc(C)cc1
CCCNC(=O)OCc1cccnc1Sc1ccc(C)cc1
[2-(4-methylphenyl)sulfanylpyridin-3-yl]methyl N-propylcarbamate