Task: Answer the MCQ question.
Question: Which drug has a 25.645\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: O=C(NCC1COc2ccccc2O1)c1cccc(S(=O)(=O)NCc2ccccc2)c1
b: Cc1ccc(CNS(=O)(=O)c2ccc(Br)s2)cc1
c: CC1(C)CC(=O)C(c2c[nH]c3ccccc23)C(=O)C1
Answer: b. Cc1ccc(CNS(=O)(=O)c2ccc(Br)s2)cc1
{#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#}
Cc1ccc(CNS(=O)(=O)c2ccc(Br)s2)cc1
Cc1ccc(CNS(=O)(=O)c2ccc(Br)s2)cc1
5-bromo-N-[(4-methylphenyl)methyl]thiophene-2-sulfonamide