Task: Answer the multiple-choice question.
Question: Which compound exhibits a 21.558\% 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 additional words.
Options:
(a) CCOC(=O)C(CCOc1cccc(CC)c1)C(=O)OCC
(b) O=C(N/N=C/c1cccn1-c1cccc(C(=O)O)c1)Nc1ccccc1
(c) CC(C)COCc1ccc(O)c2ncccc12
(d) Cn1c(=O)c2c(ncn2CC(=O)Nc2ccccc2Sc2ccccc2)n(C)c1=O
Answer: c. CC(C)COCc1ccc(O)c2ncccc12
{#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#}
CC(C)COCc1ccc(O)c2ncccc12
CC(C)COCc1ccc(O)c2ncccc12
[C][C][Branch1][C][C][C][O][C][C][=C][C][=C][Branch1][C][O][C][=N][C][=C][C][=C][Ring1][O][Ring1][=Branch1]
5-(2-methylpropoxymethyl)quinolin-8-ol