Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 4.237\% 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) O=C(CSc1nc2ccccc2c(=O)n1C1CC1)NCc1ccccc1
b) CCCn1cnc2c1c(=O)n(CCCCC(C)=O)c(=O)n2C
c) O=C(c1ccccc1)n1ccc(-c2cccs2)n1
d) Cc1noc(C)c1S(=O)(=O)N1CCC(C(=O)N2CCC(C)CC2)CC1
e) Cc1cccn2cc(-c3ccc(F)cc3)nc12
Answer: b. CCCn1cnc2c1c(=O)n(CCCCC(C)=O)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#}
CCCn1cnc2c1c(=O)n(CCCCC(C)=O)c(=O)n2C
CCCn1cnc2c1c(=O)n(CCCCC(C)=O)c(=O)n2C
3-methyl-1-(5-oxohexyl)-7-propylpurine-2,6-dione