Problem statement: Answer the multiple-choice question.
Query: Which drug has a 20.989% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: COc1ccc(/C=C/CN2CCC(n3nccc3NC(=O)C3CC3)CC2)cc1
b: CCc1c(C)nc2cc(-c3ccc(OC)c(OC)c3)nn2c1N1CCC(C)CC1
c: CCOc1ccc(C(=O)CCC(=O)N(CC)CC(=O)NCc2ccc(Cl)cc2)cc1
d: Cn1nnc(NC(=S)NC(=O)c2ccc(-c3ccc(Br)cc3)o2)n1
Answer: b. CCc1c(C)nc2cc(-c3ccc(OC)c(OC)c3)nn2c1N1CCC(C)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#}
CCc1c(C)nc2cc(-c3ccc(OC)c(OC)c3)nn2c1N1CCC(C)CC1
CCc1c(C)nc2cc(-c3ccc(OC)c(OC)c3)nn2c1N1CCC(C)CC1
2-(3,4-dimethoxyphenyl)-6-ethyl-5-methyl-7-(4-methylpiperidin-1-yl)pyrazolo[1,5-a]pyrimidine