Problem statement: Answer the multiple choice question.
Question: Which drug has a 21.553% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a CCc1ccc(OCCCC(=O)Nc2ccc(S(=O)(=O)Nc3cc(C)nc(C)n3)cc2)cc1
b CCOC(=O)c1c(C)[n+]([O-])c2ccc3c(non3O)c12
c COc1ccc(NC(=O)C2CCCCN2N)cc1OC
d Cn1cc(Br)c(C(=O)NNC(=O)c2ccccc2)n1
Answer: b. CCOC(=O)c1c(C)[n+]([O-])c2ccc3c(non3O)c12
{#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#}
CCOC(=O)c1c(C)[n+]([O-])c2ccc3c(non3O)c12
CCOC(=O)c1c(C)[n+]([O-])c2ccc3c(non3O)c12
ethyl 3-hydroxy-7-methyl-6-oxidopyrrolo[3,2-e][2,1,3]benzoxadiazol-6-ium-8-carboxylate