Problem statement: Answer the MCQ question.
Question: Which compound has a 12.313\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. O=C(NCCc1cccs1)C12CN(Cc3ccccc3)CC1C(c1cccc([N+](=O)[O-])c1)=NO2
b. Cn1ncc2c(N3CCOCC3)ncnc21
c. Cn1c(SCCCC(=O)c2ccc(Br)cc2)nnc1-c1ccncc1
d. C=CCn1c(SCC(=O)C(C)(C)C)nnc1-c1cccs1
e. Cc1cccc(C(=O)Nc2cccc(Br)c2)c1[N+](=O)[O-]
Answer: b. Cn1ncc2c(N3CCOCC3)ncnc21
{#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#}
Cn1ncc2c(N3CCOCC3)ncnc21
Cn1ncc2c(N3CCOCC3)ncnc21
4-(1-methylpyrazolo[3,4-d]pyrimidin-4-yl)morpholine