Task: Answer the multiple-choice question.
Query: Which drug exhibits a 16.707\% 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: COc1cccc2sc(Nc3nnc(-c4cccs4)o3)nc12
b: CCn1c(COc2ccccc2)nnc1SCC(=O)NC1CCCCC1
c: O=C(COC(=O)c1ccc(S(=O)(=O)N2CCc3ccccc3C2)cc1)NC(=O)NCc1ccco1
d: C/C(=N\NC(N)=S)c1ccc(-n2ccnc2)cc1
Answer: a. COc1cccc2sc(Nc3nnc(-c4cccs4)o3)nc12
{#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#}
COc1cccc2sc(Nc3nnc(-c4cccs4)o3)nc12
COc1cccc2sc(Nc3nnc(-c4cccs4)o3)nc12
N-(4-methoxy-1,3-benzothiazol-2-yl)-5-thiophen-2-yl-1,3,4-oxadiazol-2-amine