Task: Answer the MCQ question.
Query: Which drug exhibits a -19.420% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) Cl.OCCNCc1c(OCc2ccc(Cl)cc2)ccc2ccccc12
(b) CCOC(=O)c1cnn(CCOC(=O)c2ccc(F)cc2)c1NC(=O)c1ccc(F)cc1
(c) CC(=O)NC(c1ccccc1)c1cc([N+](=O)[O-])c2cccnc2c1O
(d) Cc1ccc(Nc2ncccc2C(N)=O)cc1
(e) Cn1c(CCN2CCCCC2)nc2cc(NC(=O)C3CCCCC3)ccc21
Answer: b. CCOC(=O)c1cnn(CCOC(=O)c2ccc(F)cc2)c1NC(=O)c1ccc(F)cc1
{#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)c1cnn(CCOC(=O)c2ccc(F)cc2)c1NC(=O)c1ccc(F)cc1
CCOC(=O)c1cnn(CCOC(=O)c2ccc(F)cc2)c1NC(=O)c1ccc(F)cc1
2-[4-ethoxycarbonyl-5-[(4-fluorobenzoyl)amino]pyrazol-1-yl]ethyl4-fluorobenzoate