Task: Answer the MCQ question.
Query: Which compound exhibits a 21.001\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a) CCCCNCc1cc(OC)c(OCC(N)=O)cc1Br
b) O=C(COc1cc2oc(=O)c3c(c2cc1Cl)CCC3)NCc1ccccn1
c) O=C(NC1CCCCC1)c1ccc(CNc2nc(=S)[nH]c3ccccc23)cc1
d) COc1ccc(-c2cnc3nc(/N=C/N(C)C)nn3c2/N=C/N(C)C)cc1
e) COc1ccc(Nc2ncnc3sccc23)c(OC)c1
Answer: e. COc1ccc(Nc2ncnc3sccc23)c(OC)c1
{#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#}
COc1ccc(Nc2ncnc3sccc23)c(OC)c1
COc1ccc(Nc2ncnc3sccc23)c(OC)c1
N-(2,4-dimethoxyphenyl)thieno[2,3-d]pyrimidin-4-amine