Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -21.445\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCOc1ccc(-n2nc3c(SCCN4CCCC4)nnc(C)c3c2C)cc1
b: Cc1cc(C(F)(F)F)nn1CC(=O)N(C)C1CCCCC1
Answer: a. CCOc1ccc(-n2nc3c(SCCN4CCCC4)nnc(C)c3c2C)cc1
{#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#}
CCOc1ccc(-n2nc3c(SCCN4CCCC4)nnc(C)c3c2C)cc1
CCOc1ccc(-n2nc3c(SCCN4CCCC4)nnc(C)c3c2C)cc1
2-(4-ethoxyphenyl)-3,4-dimethyl-7-(2-pyrrolidin-1-ylethylsulfanyl)pyrazolo[3,4-d]pyridazine