Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 5.128\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) O=C(O/N=C1\CCCc2ccccc21)c1cccc(Cl)c1
(b) CCOC(=O)N1CCC(NCCNC(=O)c2cccs2)CC1
(c) Cc1cc(C(=O)OCC(=O)Nc2sc3c(c2C#N)CCC(C)C3)c2ccccc2n1
Answer: b. CCOC(=O)N1CCC(NCCNC(=O)c2cccs2)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#}
CCOC(=O)N1CCC(NCCNC(=O)c2cccs2)CC1
CCOC(=O)N1CCC(NCCNC(=O)c2cccs2)CC1
ethyl4-[2-(thiophene-2-carbonylamino)ethylamino]piperidine-1-carboxylate