Task: Answer the multiple-choice question.
Question: Which compound has a 3.644\% 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 CCOC(=O)c1cc(C)sc1/N=C/C1=C(O)CCCC1=O
b CCN1C(=O)c2cccc3c(S(=O)(=O)NC(Cc4c[nH]c5ccccc45)C(=O)O)ccc1c23
Answer: a. CCOC(=O)c1cc(C)sc1/N=C/C1=C(O)CCCC1=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)c1cc(C)sc1/N=C/C1=C(O)CCCC1=O
CCOC(=O)c1cc(C)sc1/N=C/C1=C(O)CCCC1=O
ethyl 2-[(E)-(2-hydroxy-6-oxocyclohexen-1-yl)methylideneamino]-5-methylthiophene-3-carboxylate