Task: Answer the multiple-choice question.
Query: Which compound has a 19.600% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) CC1=NCCN1CCNC(=O)Nc1ccc(C(C)(C)C)cc1
(b) O=C(/C=C/c1ccncc1)c1ccc(NC(=O)c2ccccc2F)cc1
(c) CCOC(=O)C1CCc2sc(N)c(C#N)c21
(d) CCOc1ccc(C2C=C(c3ccc(C)cc3)Nc3nnnn32)cc1
Answer: c. CCOC(=O)C1CCc2sc(N)c(C#N)c21
{#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)C1CCc2sc(N)c(C#N)c21
CCOC(=O)C1CCc2sc(N)c(C#N)c21
ethyl 2-amino-3-cyano-5,6-dihydro-4H-cyclopenta[b]thiophene-4-carboxylate