Task: Answer the multiple choice question.
Question: Which compound exhibits a -3.587\% 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 other words.
Options:
a. CSc1nc2nc(C)cc(-c3ccccc3)n2n1
b. Br.COc1ccc(-c2nc3n(c2Br)CCC3)cc1
c. CCC(C)(C)NC(=O)C(c1ccccc1F)N(Cc1ccco1)C(=O)Cn1nnc2ccccc21
d. CCOC(=O)c1c(C)[nH]c(C(=O)COC(=O)CCC(=O)c2ccc3c(c2)OCCO3)c1C
Answer: b. Br.COc1ccc(-c2nc3n(c2Br)CCC3)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#}
Br.COc1ccc(-c2nc3n(c2Br)CCC3)cc1
Br.COc1ccc(-c2nc3n(c2Br)CCC3)cc1
3-bromo-2-(4-methoxyphenyl)-6,7-dihydro-5H-pyrrolo[1,2-a]imidazole;hydrobromide