Task: Answer the MCQ question.
Query: Which compound exhibits a 18.993% 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) Cn1ncc2c(NCc3cccc(C(F)(F)F)c3)c(C(=O)O)cnc21
b) O=C1[C@@H]2Cc3c([nH]c4ccccc34)CN2C(=O)CN1CCO
c) O=C(N/C(=C/c1ccc([N+](=O)[O-])cc1)C(=O)N1CCOCC1)c1ccco1
d) CCOC(=O)c1c(C)nc2sc(C(=O)Nc3ccc(C(C)=O)cc3)c(N)c2c1-c1ccc(OC)cc1
Answer: b. O=C1[C@@H]2Cc3c([nH]c4ccccc34)CN2C(=O)CN1CCO
{#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#}
O=C1[C@@H]2Cc3c([nH]c4ccccc34)CN2C(=O)CN1CCO
O=C1[C@@H]2Cc3c([nH]c4ccccc34)CN2C(=O)CN1CCO
(8S)-6-(2-hydroxyethyl)-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione