Problem statement: Answer the MCQ question.
Question: Which drug has a 2.588\% 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. CN(O)/C=C/C(=O)c1ccc(Br)cc1
b. CCOC(=O)c1ccccc1NC(=O)/C(C)=C/C(=O)O
Answer: b. CCOC(=O)c1ccccc1NC(=O)/C(C)=C/C(=O)O
{#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)c1ccccc1NC(=O)/C(C)=C/C(=O)O
CCOC(=O)c1ccccc1NC(=O)/C(C)=C/C(=O)O
(E)-4-(2-ethoxycarbonylanilino)-3-methyl-4-oxobut-2-enoic acid