Task: Answer the multiple-choice question.
Query: Which compound exhibits a -4.428% 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) COc1ccc(C(=O)c2oc3nc(C)cc(C)c3c2N)cc1
(b) Cc1cc(C)cc(NC(=O)N2CCC(NC(=O)c3ccc(F)cc3)CC2)c1
Answer: a. COc1ccc(C(=O)c2oc3nc(C)cc(C)c3c2N)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#}
COc1ccc(C(=O)c2oc3nc(C)cc(C)c3c2N)cc1
COc1ccc(C(=O)c2oc3nc(C)cc(C)c3c2N)cc1
(3-amino-4,6-dimethylfuro[2,3-b]pyridin-2-yl)-(4-methoxyphenyl)methanone