Task: Answer the multiple-choice question.
Query: Which compound has a 13.506\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] O=C(CSc1nc2ccc([N+](=O)[O-])cc2[nH]1)c1ccc(Cl)cc1
[b] O=S(=O)(c1c(Cl)sc(Cl)c1Br)N1CCCC1
[c] CCOC(=O)N1CCN(c2nc(-c3ccc(OC)cc3)no2)CC1
[d] CCC/C=C(\CCC)C(NC(=O)OCC(C)C)c1ccc(C(=O)OC)cc1
Answer: c. CCOC(=O)N1CCN(c2nc(-c3ccc(OC)cc3)no2)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#}
ethyl4-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]piperazine-1-carboxylate