Task: Answer the multiple-choice question.
Query: Which compound has a 12.687\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] CCOC(=O)c1c(C)[nH]c2cc(Br)c(O)cc12
[b] N#Cc1c(-c2ccccc2)c(-c2ccccc2)nn(CC(=O)NNC(=O)Nc2ccccc2)c1=O
[c] O=C(Nc1ccccc1)c1ccccc1OS(=O)(=O)c1ccccc1
[d] CCN(CC)S(=O)(=O)c1cc(NC(=O)C(=O)c2c(-c3ccccc3)cc3ccccn23)ccc1C
[e] Cc1cc(C(=O)Nc2ccccc2C(=O)O)ccc1NC(=O)COc1cccc(C)c1C
Answer: a. CCOC(=O)c1c(C)[nH]c2cc(Br)c(O)cc12
{#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#}
CCOC(=O)c1c(C)[nH]c2cc(Br)c(O)cc12
CCOC(=O)c1c(C)[nH]c2cc(Br)c(O)cc12
ethyl 6-bromo-5-hydroxy-2-methyl-1H-indole-3-carboxylate