Task: Answer the multiple-choice question.
Query: Which compound exhibits a 3.421\% 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 additional words.
Options:
(a) COc1cc(NC(=O)CCS(=O)(=O)c2ccc3c(c2)oc(=O)n3C)cc(OC)c1OC
(b) COc1ccccc1NC(=O)C(=O)NCC(c1ccco1)N1CCc2ccccc2C1
(c) CCCCOC(=O)c1sc2nc(C)cc(C)c2c1N
(d) O=c1[nH]c(CSc2ccccn2)nc2c1cnn2-c1ccccc1
(e) COc1cc(/C=N/NC(=S)Nc2cccc(S(=O)(=O)N(C)C)c2)cc(OC)c1O
Answer: c. CCCCOC(=O)c1sc2nc(C)cc(C)c2c1N
{#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#}
CCCCOC(=O)c1sc2nc(C)cc(C)c2c1N
CCCCOC(=O)c1sc2nc(C)cc(C)c2c1N
butyl 3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxylate