Problem statement: Answer the MCQ question.
Question: Which compound exhibits a -9.856\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CCc1cc2c(=O)c(-c3nc4ccccc4n3C)coc2c(CN2CCOCC2)c1O
b. CCn1nc(C)cc1Nc1ccccc1
c. Clc1ccc(CCC(Cn2ccnc2)Sc2c(Cl)cccc2Cl)cc1.O=[N+]([O-])O
Answer: b. CCn1nc(C)cc1Nc1ccccc1
{#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#}
CCn1nc(C)cc1Nc1ccccc1
CCn1nc(C)cc1Nc1ccccc1
2-ethyl-5-methyl-N-phenylpyrazol-3-amine