Task: Answer the multiple-choice question.
Query: Which drug exhibits a 16.543\% 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: CCCn1c(SCc2ccccn2)nc2c1c(=O)n(C)c(=O)n2C
b: COc1cccc(N2CCN(C(=O)c3cc4c(OC)c(OC)c(OC)cc4[nH]3)CC2)c1
c: CC1CN/C(=C\C(=O)c2ccc(Br)cc2)C(=O)N1
d: Cc1cc(C(=O)Nc2ccc3c(c2)OCO3)no1
e: Cc1ccc(OCC(=O)c2cc(C)n(Cc3cccs3)c2C)c([N+](=O)[O-])n1
Answer: a. CCCn1c(SCc2ccccn2)nc2c1c(=O)n(C)c(=O)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#}
CCCn1c(SCc2ccccn2)nc2c1c(=O)n(C)c(=O)n2C
CCCn1c(SCc2ccccn2)nc2c1c(=O)n(C)c(=O)n2C
1,3-dimethyl-7-propyl-8-(pyridin-2-ylmethylsulfanyl)purine-2,6-dione