Problem statement: Answer the multiple choice question.
Question: Which drug has a 0.211\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] O=C(NCC1COc2ccccc2O1)c1ccc(Cl)c(S(=O)(=O)N2CCOCC2)c1
[b] CNC(=S)N(CCc1ccccc1)Cc1cc2cc(OC)c(OC)cc2[nH]c1=O
[c] CCCC1CCC(=C(C#N)C(N)=O)CC1
Answer: c. CCCC1CCC(=C(C#N)C(N)=O)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#}
CCCC1CCC(=C(C#N)C(N)=O)CC1
CCCC1CCC(=C(C#N)C(N)=O)CC1
2-cyano-2-(4-propylcyclohexylidene)acetamide