Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 18.769\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) Nc1nc(-c2cccnc2)nn1C(=O)CCc1ccccc1
b) Cc1nnc(SCc2nnc(-c3ccccc3Br)o2)s1
c) O=C(NCc1ccccc1)c1cccc(NC(=O)c2ccco2)c1
Answer: b. Cc1nnc(SCc2nnc(-c3ccccc3Br)o2)s1
{#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#}
Cc1nnc(SCc2nnc(-c3ccccc3Br)o2)s1
Cc1nnc(SCc2nnc(-c3ccccc3Br)o2)s1
2-(2-bromophenyl)-5-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,3,4-oxadiazole