Task: Answer the multiple-choice question.
Query: Which compound has a 3.154\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CC(C)Oc1ccc(C(=O)Nc2ccc(N3CCCC3)cc2)cc1
(b) CNC(=S)Nc1ccc(Br)cc1
(c) CN(C(=O)c1cc2nc(-c3ccco3)cc(C(F)(F)F)n2n1)C1CCCCC1
Answer: b. CNC(=S)Nc1ccc(Br)cc1
{#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#}
1-(4-bromophenyl)-3-methylthiourea