Problem statement: Answer the MCQ question.
Question: Which drug has a 6.476\% 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 additional words.
Options:
a. CCCOc1c(Br)cc(C(=O)NCC)cc1OC
b. O=Cc1coc2c(ccc3ccccc32)c1=O
c. O=C1CN(c2ccccc2Cl)C(=O)CN1c1ccccc1Cl
Answer: c. O=C1CN(c2ccccc2Cl)C(=O)CN1c1ccccc1Cl
{#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#}
1,4-bis(2-chlorophenyl)piperazine-2,5-dione