Problem statement: Answer the MCQ question.
Query: Which compound has a 23.286% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCOc1cc2c(Cl)ncnc2c(OCC)c1OCC
(b) O=C(Nc1ccc(-c2n[nH]c(=S)o2)cc1)c1ccccc1
Answer: a. CCOc1cc2c(Cl)ncnc2c(OCC)c1OCC
{#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#}
CCOc1cc2c(Cl)ncnc2c(OCC)c1OCC
CCOc1cc2c(Cl)ncnc2c(OCC)c1OCC
4-chloro-6,7,8-triethoxyquinazoline