Task: Answer the MCQ question.
Question: Which compound exhibits a 15.404\% 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. CCOc1ccccc1N=Cc1c(O)c2ccccc2oc1=O
b. CCOc1cc(S(=O)(=O)n2nc(C)cc2C)ccc1F
c. CCc1cc(=O)oc2cc(C)cc(OCC(=O)NCCN3CCOCC3)c12
Answer: a. CCOc1ccccc1N=Cc1c(O)c2ccccc2oc1=O
{#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#}
CCOc1ccccc1N=Cc1c(O)c2ccccc2oc1=O
CCOc1ccccc1N=Cc1c(O)c2ccccc2oc1=O
3-[(2-ethoxyphenyl)iminomethyl]-4-hydroxychromen-2-one