Task: Answer the MCQ question.
Question: Which compound exhibits a 0.415\% 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) COCCNC(=O)CCn1c(=O)oc2ccccc21
(b) CC1(C)CNC(=O)c2sc(N3CCOCC3)nc2C1
(c) COc1ccc(S(=O)(=O)NCc2cccnc2)cc1C
(d) O=[N+]([O-])c1cccc(S(=O)(=O)N2CCCCCC2)c1
(e) CCC(C)(C)n1nnnc1CN1CCN(C(c2ccccc2)c2ccccc2)CC1
Answer: e. CCC(C)(C)n1nnnc1CN1CCN(C(c2ccccc2)c2ccccc2)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#}
1-benzhydryl-4-[[1-(2-methylbutan-2-yl)tetrazol-5-yl]methyl]piperazine