Task: Answer the MCQ question.
Query: Which compound exhibits a 1.049\% 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 other words.
Options:
a. COc1ccc2nc(C)cc(N3CC(C)OC(C)C3)c2c1
b. CCOc1cc(/C=C2\N=C(SC)SC2=O)cc([N+](=O)[O-])c1OC(C)=O
c. O=C(Nc1ccc(N2CCOCC2)c(Cl)c1)c1ccc(Br)o1
d. COc1ccc(C(=O)NCCSc2ccccn2)cc1
e. O=C(COc1ccccc1)OCc1cc2ccccc2[nH]c1=O
Answer: b. CCOc1cc(/C=C2\N=C(SC)SC2=O)cc([N+](=O)[O-])c1OC(C)=O
{#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#}
[2-ethoxy-4-[(Z)-(2-methylsulfanyl-5-oxo-1,3-thiazol-4-ylidene)methyl]-6-nitrophenyl] acetate