Task: Answer the multiple-choice question.
Question: Which drug exhibits a 10.639\% 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) COCCN1CCN(c2c(C)c(C)nc3cc(-c4cccc(OC)c4)nn23)CC1
(b) CCc1nc2ccc(C(=O)NCc3ccccc3)cc2nc1CC
Answer: a. COCCN1CCN(c2c(C)c(C)nc3cc(-c4cccc(OC)c4)nn23)CC1
{#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#}
COCCN1CCN(c2c(C)c(C)nc3cc(-c4cccc(OC)c4)nn23)CC1
COCCN1CCN(c2c(C)c(C)nc3cc(-c4cccc(OC)c4)nn23)CC1
7-[4-(2-methoxyethyl)piperazin-1-yl]-2-(3-methoxyphenyl)-5,6-dimethylpyrazolo[1,5-a]pyrimidine