Task: Answer the multiple-choice question.
Question: Which compound has a 4.745\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: Clc1cccc(Cl)c1COc1ccccn1
b: O=C(O)C/C(=C\c1cc2c(cc1Br)OCO2)c1nc2ccccc2s1
Answer: b. O=C(O)C/C(=C\c1cc2c(cc1Br)OCO2)c1nc2ccccc2s1
{#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#}
O=C(O)C/C(=C\c1cc2c(cc1Br)OCO2)c1nc2ccccc2s1
O=C(O)C/C(=C\c1cc2c(cc1Br)OCO2)c1nc2ccccc2s1
(E)-3-(1,3-benzothiazol-2-yl)-4-(6-bromo-1,3-benzodioxol-5-yl)but-3-enoic acid