Task: Answer the MCQ question.
Query: Which drug has a 11.779\% 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.) O=C(Cn1cnc2ccc(Br)cc2c1=O)c1cccs1
b.) O=C1C(Br)=Cc2cccc3cccc1c23
c.) CCCNC(=O)Cn1c(=O)oc2ccccc21
Answer: b. O=C1C(Br)=Cc2cccc3cccc1c23
{#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#}
O=C1C(Br)=Cc2cccc3cccc1c23
O=C1C(Br)=Cc2cccc3cccc1c23
2-bromophenalen-1-one