Task: Answer the multiple choice question.
Question: Which compound exhibits a 1.535\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) COc1ccc(C(=O)O/N=C(\N)c2ccccn2)c(OC)c1
(b) C=CCOC(=O)C1=C(C)Nc2nnnn2C1c1cccc(OC)c1OC
Answer: b. C=CCOC(=O)C1=C(C)Nc2nnnn2C1c1cccc(OC)c1OC
{#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#}
C=CCOC(=O)C1=C(C)Nc2nnnn2C1c1cccc(OC)c1OC
C=CCOC(=O)C1=C(C)Nc2nnnn2C1c1cccc(OC)c1OC
prop-2-enyl 7-(2,3-dimethoxyphenyl)-5-methyl-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate