Task: Answer the multiple choice question.
Question: Which compound has a -5.719\% 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] O=[N+]([O-])c1ccc2nc(CN3CCCCC3)[nH]c2c1
[b] Brc1ccc(-n2c(SCc3nc4ccccc4[nH]3)nnc2-c2ccncc2)cc1
[c] COc1cccc(CNCCc2ccccc2)c1OC.Cl
[d] O=C(N/N=C/c1ccccn1)c1ccc(NC(=O)c2ccc(F)cc2)cc1
Answer: b. Brc1ccc(-n2c(SCc3nc4ccccc4[nH]3)nnc2-c2ccncc2)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#}
Brc1ccc(-n2c(SCc3nc4ccccc4[nH]3)nnc2-c2ccncc2)cc1
Brc1ccc(-n2c(SCc3nc4ccccc4[nH]3)nnc2-c2ccncc2)cc1
2-[[4-(4-bromophenyl)-5-pyridin-4-yl-1,2,4-triazol-3-yl]sulfanylmethyl]-1H-benzimidazole