Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 18.017\% 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 other words.
Options:
a CC(C(=O)OCc1nnc(-c2ccccc2)o1)N1C(=O)c2ccccc2C1=O
b CCOc1cc(C(N)=O)cc(Br)c1OCC
c COCc1ccc(CN2CCc3c([nH]c4ccccc34)C2CC(C)C)o1
d CCCCN(CC)C(=O)Cc1ccccc1OC
Answer: d. CCCCN(CC)C(=O)Cc1ccccc1OC
{#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#}
CCCCN(CC)C(=O)Cc1ccccc1OC
CCCCN(CC)C(=O)Cc1ccccc1OC
[C][C][C][C][N][Branch1][Ring1][C][C][C][=Branch1][C][=O][C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C]
N-butyl-N-ethyl-2-(2-methoxyphenyl)acetamide