Task: Answer the multiple choice question.
Query: Which drug has a 5.432% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: Cc1cccc(NC(=S)NC(NC(=O)c2ccco2)C(Cl)(Cl)Cl)c1
b: CCNC(=S)Nc1cc(OCC)c(N2CCOCC2)cc1OCC
Answer: b. CCNC(=S)Nc1cc(OCC)c(N2CCOCC2)cc1OCC
{#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#}
CCNC(=S)Nc1cc(OCC)c(N2CCOCC2)cc1OCC
CCNC(=S)Nc1cc(OCC)c(N2CCOCC2)cc1OCC
1-(2,5-diethoxy-4-morpholin-4-ylphenyl)-3-ethylthiourea