Problem statement: Answer the multiple-choice question.
Question: Which drug has a 21.388\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) COc1ccc(S(=O)(=O)Nc2ccc(F)c(F)c2)cc1Cl
b.) CCNC(=O)N1CCN(C(=O)NCC)CC1
c.) Cn1ncc(C#N)c1/N=C/N(Cc1ccccc1)Cc1ccccc1
Answer: b. CCNC(=O)N1CCN(C(=O)NCC)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#}
CCNC(=O)N1CCN(C(=O)NCC)CC1
CCNC(=O)N1CCN(C(=O)NCC)CC1
1-N,4-N-diethylpiperazine-1,4-dicarboxamide