Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 18.436\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) COc1ccc([C@H]2CC(=O)C=C(c3cc(C(F)(F)F)cc(C(F)(F)F)c3)C2)cc1
b) CCOC(=O)C1CCN(C(c2ccc(OC)c(OC)c2)c2sc3nc(C)nn3c2O)CC1
c) Cc1ccc(C)c(N2CCN(C(=S)Nc3ccc4nc(N5CCOCC5)cc(C)c4c3)CC2)c1
Answer: b. CCOC(=O)C1CCN(C(c2ccc(OC)c(OC)c2)c2sc3nc(C)nn3c2O)CC1
{#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#}
CCOC(=O)C1CCN(C(c2ccc(OC)c(OC)c2)c2sc3nc(C)nn3c2O)CC1
CCOC(=O)C1CCN(C(c2ccc(OC)c(OC)c2)c2sc3nc(C)nn3c2O)CC1
ethyl 1-[(3,4-dimethoxyphenyl)-(6-hydroxy-2-methyl-[1,3]thiazolo[3,2-b][1,2,4]triazol-5-yl)methyl]piperidine-4-carboxylate