Task: Answer the multiple-choice question.
Question: Which drug exhibits a 12.650\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a O=[N+]([O-])c1ccc2c(c1)C=C1CCCCC1(N1CCCCC1)O2
b O=C(CSc1nnc(-c2cccnc2)o1)N1CCCCC1
c Fc1cccc(Cl)c1CSc1ccc(-c2ccco2)nn1
d CC1CCCCC1NC(=O)COC(=O)CN1C(=O)c2ccccc2C1=O
e O=C(COC(=O)CCc1c[nH]c2ccccc12)NCc1ccc(Cl)cc1
Answer: b. O=C(CSc1nnc(-c2cccnc2)o1)N1CCCCC1
{#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#}
O=C(CSc1nnc(-c2cccnc2)o1)N1CCCCC1
O=C(CSc1nnc(-c2cccnc2)o1)N1CCCCC1
1-piperidin-1-yl-2-[(5-pyridin-3-yl-1,3,4-oxadiazol-2-yl)sulfanyl]ethanone