Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 12.640\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. COc1ccc(/C(N)=N/OC(=O)Oc2ccccc2)cc1
b. Cc1ccc2c(c1)-c1ncc(C(=O)c3cc(Br)ccc3O)cc1CO2
c. Cl.c1ccc2c(c1)oc1c(NCCCn3ccnc3)ncnc12
d. COc1ccc(C(=O)NC(=S)Nc2ccc(CN3CCOCC3)cc2)cc1
e. Cn1nnnc1SCC(=O)NC1CCCCC1
Answer: b. Cc1ccc2c(c1)-c1ncc(C(=O)c3cc(Br)ccc3O)cc1CO2
{#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#}
(5-bromo-2-hydroxyphenyl)-(9-methyl-5H-chromeno[4,3-b]pyridin-3-yl)methanone