Task: Answer the multiple choice question.
Question: Which compound has a 1.895\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CCCC1=C(C(=O)OCC)C(c2ccncc2)n2ncnc2N1
b. C/C(=N\NC(=O)c1cc(C2CC2)nc2ccccc12)c1ccc(O)cc1O
c. CCOC(=O)c1ccc2[nH]c3c(c2c1)CCCC3NC=O
Answer: a. CCCC1=C(C(=O)OCC)C(c2ccncc2)n2ncnc2N1
{#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#}
CCCC1=C(C(=O)OCC)C(c2ccncc2)n2ncnc2N1
CCCC1=C(C(=O)OCC)C(c2ccncc2)n2ncnc2N1
ethyl 5-propyl-7-pyridin-4-yl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate