Task: Answer the multiple choice question.
Query: Which drug has a 0.540\% 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) Cc1ccc(CSc2nnc(-c3cccc(S(=O)(=O)N4CCOCC4)c3)n2C2CCCC2)cc1
(b) CCOC(=O)C1CCCN(CCC(=O)Nc2ccc(Br)c(C)c2)C1.Cl
Answer: b. CCOC(=O)C1CCCN(CCC(=O)Nc2ccc(Br)c(C)c2)C1.Cl
{#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)C1CCCN(CCC(=O)Nc2ccc(Br)c(C)c2)C1.Cl
CCOC(=O)C1CCCN(CCC(=O)Nc2ccc(Br)c(C)c2)C1.Cl
ethyl 1-[3-(4-bromo-3-methylanilino)-3-oxopropyl]piperidine-3-carboxylate;hydrochloride