Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 9.384\% 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: c1cncc(C2CCCN2)c1
b: COCCCn1c(SCc2ccc(OC)cc2)nc2cc(OC)c(OC)cc2c1=N
c: S=C(NCCc1ccccc1)N1CCn2cccc2C1c1ccncc1
d: CC(NS(=O)(=O)c1ccccc1)C1CC2CCC1C2
e: Nc1cc(N)nc(SCc2cccc(F)c2)n1
Answer: a. c1cncc(C2CCCN2)c1
{#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#}
c1cncc(C2CCCN2)c1
c1cncc(C2CCCN2)c1
3-pyrrolidin-2-ylpyridine