Task: Answer the MCQ question.
Query: Which compound has a 8.574\% 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 additional words.
Options:
(a) Cc1ccc(C)c(S(=O)(=O)N2CCN(C(=O)Cc3ccccc3)CC2)c1
(b) O=C(NNC(=S)NCc1ccccc1)c1ccc(Br)o1
Answer: b. O=C(NNC(=S)NCc1ccccc1)c1ccc(Br)o1
{#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(NNC(=S)NCc1ccccc1)c1ccc(Br)o1
O=C(NNC(=S)NCc1ccccc1)c1ccc(Br)o1
1-benzyl-3-[(5-bromofuran-2-carbonyl)amino]thiourea