Task: Answer the multiple-choice question.
Query: Which compound exhibits a -21.298% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCc1nnc(NC(=O)C2CCCN2S(=O)(=O)c2ccccc2)s1
[b] c1ccc(-c2oc3ncnc(NCCN4CCOCC4)c3c2-c2ccccc2)cc1
Answer: b. c1ccc(-c2oc3ncnc(NCCN4CCOCC4)c3c2-c2ccccc2)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
c1ccc(-c2oc3ncnc(NCCN4CCOCC4)c3c2-c2ccccc2)cc1
c1ccc(-c2oc3ncnc(NCCN4CCOCC4)c3c2-c2ccccc2)cc1
N-(2-morpholin-4-ylethyl)-5,6-diphenylfuro[2,3-d]pyrimidin-4-amine