Task: Answer the MCQ question.
Query: Which compound has a -19.813\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CCCC(=O)Nc1cc(OCC)c(NC(=O)NC2CCCCC2)cc1OCC
b Br.Clc1ccc(C2=CSC3=NCCN23)cc1Cl
c Cc1cc(C(=O)CSc2nnc(-c3cccnc3)n2-c2ccccc2F)c(C)n1CC1CCCO1
d COc1cc2ccccc2cc1C(=O)OCC(=O)c1c(N)n(C)c(=O)n(C)c1=O
Answer: b. Br.Clc1ccc(C2=CSC3=NCCN23)cc1Cl
{#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.Clc1ccc(C2=CSC3=NCCN23)cc1Cl
Br.Clc1ccc(C2=CSC3=NCCN23)cc1Cl
3-(3,4-dichlorophenyl)-5,6-dihydroimidazo[2,1-b][1,3]thiazole;hydrobromide