Task: Answer the multiple choice question.
Question: Which drug has a 18.317\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C(Nc1ccc(C(=O)N2CCCCC2)cc1)c1ccc(Br)cc1
b. Cc1nc(CSc2ccc(Br)cc2)cs1
Answer: b. Cc1nc(CSc2ccc(Br)cc2)cs1
{#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#}
Cc1nc(CSc2ccc(Br)cc2)cs1
Cc1nc(CSc2ccc(Br)cc2)cs1
4-[(4-bromophenyl)sulfanylmethyl]-2-methyl-1,3-thiazole