Task: Answer the multiple-choice question.
Question: Which drug exhibits a -12.837\% 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 CCOC(=O)C1CCCN(C(=O)c2ccc(CS(=O)(=O)c3ccc(Br)cc3)o2)C1
b CCC(=O)NC(=S)Nc1c(C)cc(Br)cc1C
c C/C(=N\NC(=O)c1csc(C)c1C)c1ccco1
d Cc1ccc(C2CC(c3cccs3)=NN2S(=O)(=O)c2ccc(C)cc2)cc1
Answer: a. CCOC(=O)C1CCCN(C(=O)c2ccc(CS(=O)(=O)c3ccc(Br)cc3)o2)C1
{#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#}
ethyl 1-[5-[(4-bromophenyl)sulfonylmethyl]furan-2-carbonyl]piperidine-3-carboxylate