Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 2.379\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Nc1sc(-c2ccccc2)cc1-c1n[nH]c(=S)n1C1CCCCC1
b. O=c1c2ccccc2nc2n1C(CSc1ccc(Br)cc1)CN2
Answer: b. O=c1c2ccccc2nc2n1C(CSc1ccc(Br)cc1)CN2
{#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=c1c2ccccc2nc2n1C(CSc1ccc(Br)cc1)CN2
O=c1c2ccccc2nc2n1C(CSc1ccc(Br)cc1)CN2
3-[(4-bromophenyl)sulfanylmethyl]-2,3-dihydro-1H-imidazo[2,1-b]quinazolin-5-one