Task: Answer the MCQ question.
Question: Which compound has a 15.274\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a CCOC(=O)C1=C(C)N(CCO)C(=O)NC1c1cccc(O)c1
b COc1ccc(NC(=O)c2cc(-c3ccco3)on2)c(OC)c1
c C[C@H](NC(=O)CCC(=O)N1C[C@H]2C[C@H](C1)c1cccc(=O)n1C2)c1ccccc1
d CC(O)c1nc2ccccc2n1CC(=O)N1CCN(c2ccccc2)CC1
e COc1cc(C2C3=C(CC(C)(C)CC3=O)NC3=C2C(=O)c2ccccc23)ccc1O
Answer: a. CCOC(=O)C1=C(C)N(CCO)C(=O)NC1c1cccc(O)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#}
CCOC(=O)C1=C(C)N(CCO)C(=O)NC1c1cccc(O)c1
CCOC(=O)C1=C(C)N(CCO)C(=O)NC1c1cccc(O)c1
ethyl 3-(2-hydroxyethyl)-6-(3-hydroxyphenyl)-4-methyl-2-oxo-1,6-dihydropyrimidine-5-carboxylate