Problem statement: Answer the multiple choice question.
Question: Which drug has a 12.652\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCOC(=O)Cn1c(C(=O)OCC)cc2sccc21
(b) CCOc1cc(/C=N/NC(=O)CSc2nncn2C)ccc1OC(=O)c1ccc(Cl)cc1
Answer: a. CCOC(=O)Cn1c(C(=O)OCC)cc2sccc21
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOC(=O)Cn1c(C(=O)OCC)cc2sccc21
CCOC(=O)Cn1c(C(=O)OCC)cc2sccc21
ethyl 4-(2-ethoxy-2-oxoethyl)thieno[3,2-b]pyrrole-5-carboxylate