Task: Answer the MCQ question.
Question: Which compound has a 2.637\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a N#CC(C#N)=C(N)CSc1cccc[n+]1[O-]
b Cc1ccc2nc(-c3ccncc3)cc(-c3ccccc3)c2c1
c CCCn1c(N)c(N(CCOC)C(=O)c2cc(C)cc(C)c2)c(=O)[nH]c1=O
d CCOc1ccc(-c2nc(CSc3nnc(N)s3)cs2)cc1OC
Answer: b. Cc1ccc2nc(-c3ccncc3)cc(-c3ccccc3)c2c1
{#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#}
Cc1ccc2nc(-c3ccncc3)cc(-c3ccccc3)c2c1
Cc1ccc2nc(-c3ccncc3)cc(-c3ccccc3)c2c1
6-methyl-4-phenyl-2-pyridin-4-ylquinoline