Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 18.085\% 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 additional words.
Options:
[a] Cc1ccc(NC(=O)CSc2nnc(Cc3csc(C)n3)o2)c(C)c1
[b] C=CCCCCCCCCC(=O)NN
[c] Cc1sc2ncnc(NCC(c3ccco3)N3CCCC3)c2c1C
[d] O=C(COC(=O)c1cccc(Oc2ccccc2)c1)NCc1ccco1
[e] CCOc1ccccc1C1C(C#N)=C(N)N(N(C)C)C2=C1C(=O)CCC2
Answer: b. C=CCCCCCCCCC(=O)NN
{#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#}
C=CCCCCCCCCC(=O)NN
C=CCCCCCCCCC(=O)NN
undec-10-enehydrazide