Problem statement: Answer the multiple choice question.
Question: Which compound has a 3.358\% 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 other words.
Options:
a. Cc1ccc(CNC(=O)C23CN(Cc4ccccc4)CC2C(c2cccc([N+](=O)[O-])c2)=NO3)cc1
b. CNC(=O)NC(=O)COc1c(F)c(F)cc(F)c1F
c. O=C1Nc2ccccc2C12OCCCO2
d. CC(=O)c1cccc(NC(=O)CN2C(=O)C(=O)N(Cc3ccco3)C2=O)c1
Answer: c. O=C1Nc2ccccc2C12OCCCO2
{#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#}
O=C1Nc2ccccc2C12OCCCO2
O=C1Nc2ccccc2C12OCCCO2
spiro[1,3-dioxane-2,3'-1H-indole]-2'-one