Task: Answer the multiple choice question.
Query: Which compound has a 8.331\% 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 or b without using any other words.
Options:
a.) O=C(CSc1ccc(-c2ccc(Br)cc2)nn1)N1CCOCC1
b.) CC(C)(C)C1CCC(=NNC(=S)NCc2ccccc2)CC1
Answer: a. O=C(CSc1ccc(-c2ccc(Br)cc2)nn1)N1CCOCC1
{#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=C(CSc1ccc(-c2ccc(Br)cc2)nn1)N1CCOCC1
O=C(CSc1ccc(-c2ccc(Br)cc2)nn1)N1CCOCC1
2-[6-(4-bromophenyl)pyridazin-3-yl]sulfanyl-1-morpholin-4-ylethanone