Problem statement: Answer the multiple choice question.
Question: Which drug has a -15.323\% 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) CCn1c(SCc2nc3sc(C(=O)O)c(C)c3c(=O)[nH]2)nnc1-c1ccc(Cl)cc1
(b) CCCCC(=O)Nc1ccc2c(c1)nc(CCN1CCN(c3ccccn3)CC1)n2C
(c) CN1CCN(/N=C/c2cccc(Cl)c2Cl)CC1.Cl
(d) COC(C(=O)NNS(=O)(=O)c1ccc([N+](=O)[O-])cc1)c1ccccc1
(e) CCC(C)[C@H](NC(=O)N1CCn2c1nc1ccccc12)C(=O)NCCc1ccccc1
Answer: b. CCCCC(=O)Nc1ccc2c(c1)nc(CCN1CCN(c3ccccn3)CC1)n2C
{#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#}
CCCCC(=O)Nc1ccc2c(c1)nc(CCN1CCN(c3ccccn3)CC1)n2C
CCCCC(=O)Nc1ccc2c(c1)nc(CCN1CCN(c3ccccn3)CC1)n2C
N-[1-methyl-2-[2-(4-pyridin-2-ylpiperazin-1-yl)ethyl]benzimidazol-5-yl]pentanamide