Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 17.944\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CC#CC[N+](C)(CC#CC)CC(=O)c1ccccc1.[Br-]
b. CCCOc1ccc(/C=N/NC(=O)C2CC2)c(OCCC)c1
c. O=C(COc1ccccc1)NC(Cc1c[nH]c2ccccc12)C(=O)O
d. Cc1ccc(C(=O)N2CCOCC2)cc1Cl
Answer: a. CC#CC[N+](C)(CC#CC)CC(=O)c1ccccc1.[Br-]
{#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#}
CC#CC[N+](C)(CC#CC)CC(=O)c1ccccc1.[Br-]
CC#CC[N+](C)(CC#CC)CC(=O)c1ccccc1.[Br-]
bis(but-2-ynyl)-methyl-phenacylazanium;bromide