Task: Answer the MCQ question.
Query: Which compound has a 1.991\% 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) O=C(Nc1ccccc1)C1CC(O)CN1S(=O)(=O)c1ccc([N+](=O)[O-])cc1
b) Br.O=S(=O)(c1ccc(-c2csc(Nc3ccc(Br)cc3)n2)cc1)N1CCCC1
Answer: b. Br.O=S(=O)(c1ccc(-c2csc(Nc3ccc(Br)cc3)n2)cc1)N1CCCC1
{#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#}
Br.O=S(=O)(c1ccc(-c2csc(Nc3ccc(Br)cc3)n2)cc1)N1CCCC1
Br.O=S(=O)(c1ccc(-c2csc(Nc3ccc(Br)cc3)n2)cc1)N1CCCC1
N-(4-bromophenyl)-4-(4-pyrrolidin-1-ylsulfonylphenyl)-1,3-thiazol-2-amine;hydrobromide