Task: Answer the MCQ question.
Question: Which compound has a 9.869\% 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.) COc1ccc(CNC(=O)CN2C(=O)CC(c3ccccc3)=Nc3ccccc32)cc1
b.) O=c1[nH]nc(-c2ccccc2)c2nn(-c3ccc(Br)cc3)cc12
c.) O=C(CN(C(=O)CCC(=O)Nc1ccccn1)c1ccc(F)cc1)NCCc1ccccc1
Answer: b. O=c1[nH]nc(-c2ccccc2)c2nn(-c3ccc(Br)cc3)cc12
{#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=c1[nH]nc(-c2ccccc2)c2nn(-c3ccc(Br)cc3)cc12
O=c1[nH]nc(-c2ccccc2)c2nn(-c3ccc(Br)cc3)cc12
2-(4-bromophenyl)-7-phenyl-5H-pyrazolo[3,4-d]pyridazin-4-one