Task: Answer the multiple-choice question.
Question: Which compound exhibits a 6.021\% 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 additional words.
Options:
a c1ccc(-n2ncc3c2ncn2cnnc32)cc1
b COc1cccc(N2CCN(c3ccc(N4C(=O)CCC4=O)cc3[N+](=O)[O-])CC2)c1
c Cc1ccc(Br)cc1S(=O)(=O)Nc1cccnc1
d Cc1occc(=O)c1O
e CCOC(=O)C(=O)N1CCC(C(=O)OCC)CC1
Answer: e. CCOC(=O)C(=O)N1CCC(C(=O)OCC)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)C(=O)N1CCC(C(=O)OCC)CC1
CCOC(=O)C(=O)N1CCC(C(=O)OCC)CC1
ethyl 1-(2-ethoxy-2-oxoacetyl)piperidine-4-carboxylate