Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -17.647\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) Cc1cc(C)c2nc(SCC(=O)NC(=O)c3cccn3C)cc(C)c2c1
b.) C/C(N)=C(/C#N)C(=O)CSc1nc2scc(-c3ccccc3)c2c(=O)n1C
c.) CCn1c2ccccc2c2nn(C)c(=N)nc21
Answer: c. CCn1c2ccccc2c2nn(C)c(=N)nc21
{#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#}
CCn1c2ccccc2c2nn(C)c(=N)nc21
CCn1c2ccccc2c2nn(C)c(=N)nc21
5-ethyl-2-methyl-[1,2,4]triazino[5,6-b]indol-3-imine