Task: Answer the MCQ question.
Question: Which compound has a -50.625% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a CCN1CCN(Cc2cc(Br)cc(Br)c2O)CC1
b CCOc1ccc2nc(Cl)c(/C=C/C(=O)c3ccco3)cc2c1
c CCSc1nnc2n(-c3ccc(OC)cc3)c(=O)c3c4c(sc3n12)CCCC4
Answer: a. CCN1CCN(Cc2cc(Br)cc(Br)c2O)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCN1CCN(Cc2cc(Br)cc(Br)c2O)CC1
CCN1CCN(Cc2cc(Br)cc(Br)c2O)CC1
2,4-dibromo-6-[(4-ethylpiperazin-1-yl)methyl]phenol