Task: Answer the multiple choice question.
Question: Which drug has a 2.041% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CCCCn1c2nc3ccccc3nc2c2c(=O)n(CCC)cnc21
b: N#Cc1nc(COc2ccccc2)oc1N1CCC(Cc2ccccc2)CC1
c: COc1ccc2c(C)c(Cl)c(=O)oc2c1
Answer: a. CCCCn1c2nc3ccccc3nc2c2c(=O)n(CCC)cnc21
{#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#}
CCCCn1c2nc3ccccc3nc2c2c(=O)n(CCC)cnc21
CCCCn1c2nc3ccccc3nc2c2c(=O)n(CCC)cnc21
17-butyl-13-propyl-2,9,13,15,17-pentazatetracyclo[8.7.0.03,8.011,16]heptadeca-1,3,5,7,9,11(16),14-heptaen-12-one