Task: Answer the multiple choice question.
Query: Which drug has a 16.366\% 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: COC(=O)c1[nH]c2ccc(Br)cc2c1NC(=O)Oc1ccccc1
b: COc1ccc(NC(=O)CSc2nc3ccccc3c(=O)n2CCC(=O)N2CCCCC2)cc1
c: CC1=C(C)CC(C(=O)Nc2cccc(Cl)c2)C(C(=O)O)C1
d: O=Cc1cn(CC(=O)N2CCc3ccccc32)c2ccccc12
Answer: a. COC(=O)c1[nH]c2ccc(Br)cc2c1NC(=O)Oc1ccccc1
{#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#}
COC(=O)c1[nH]c2ccc(Br)cc2c1NC(=O)Oc1ccccc1
COC(=O)c1[nH]c2ccc(Br)cc2c1NC(=O)Oc1ccccc1
methyl 5-bromo-3-(phenoxycarbonylamino)-1H-indole-2-carboxylate