Task: Answer the multiple choice question.
Query: Which compound has a 4.287\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: COc1cccc(C(c2sc3ncnn3c2O)N2CC(C)OC(C)C2)c1
b: CCCCc1ccc(S(=O)(=O)NNC(=S)NCc2ccco2)cc1
Answer: a. COc1cccc(C(c2sc3ncnn3c2O)N2CC(C)OC(C)C2)c1
{#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#}
COc1cccc(C(c2sc3ncnn3c2O)N2CC(C)OC(C)C2)c1
COc1cccc(C(c2sc3ncnn3c2O)N2CC(C)OC(C)C2)c1
5-[(2,6-dimethylmorpholin-4-yl)-(3-methoxyphenyl)methyl]-[1,3]thiazolo[3,2-b][1,2,4]triazol-6-ol