Task: Answer the multiple-choice question.
Query: Which compound exhibits a -58.902\% 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] Br.CCCCCN1C2=NCCN2c2ccccc21
[b] Cc1ccc(C(=O)NC(=S)Nc2c(C)ccc3nsnc23)cc1
[c] COCCCN(C(=O)CSCc1ccc(C)cc1)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
[d] CC(C)Oc1ccc2c(c1)OC(c1ccccc1)(C(F)(F)F)NC2=O
Answer: a. Br.CCCCCN1C2=NCCN2c2ccccc21
{#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.CCCCCN1C2=NCCN2c2ccccc21
Br.CCCCCN1C2=NCCN2c2ccccc21
4-pentyl-1,2-dihydroimidazo[1,2-a]benzimidazole;hydrobromide