Task: Answer the multiple choice question.
Question: Which compound has a -2.685\% 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, or c without using any other words.
Options:
a: CCOc1cccc2cc(C(=O)N3CCc4ccccc43)c(=O)oc12
b: O=C(c1ccccc1Cl)N1CCn2c1nc1ccccc12
c: CCc1cc[n+](-c2nc([O-])sc2C=O)cc1
Answer: c. CCc1cc[n+](-c2nc([O-])sc2C=O)cc1
{#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#}
CCc1cc[n+](-c2nc([O-])sc2C=O)cc1
CCc1cc[n+](-c2nc([O-])sc2C=O)cc1
4-(4-ethylpyridin-1-ium-1-yl)-5-formyl-1,3-thiazol-2-olate