Task: Answer the MCQ question.
Question: Which compound has a 13.970\% 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.) CCCCNC(=O)c1ccc2nc(-c3ccco3)c(-c3ccco3)nc2c1
b.) CC(C)(C)c1[nH]nc2c1C(c1ccncc1)C(C#N)=C(N)O2
c.) O=C(Cn1ncc2c(=O)oc3ccccc3c21)NCCC1=CCCCC1
d.) Cc1cc(C)cc(NS(=O)(=O)c2ccc(NC(=S)NC(=O)c3cccs3)cc2)c1
e.) COc1ccc(-c2nnc(SC(=O)N3c4ccccc4Sc4ccccc43)o2)cc1
Answer: b. CC(C)(C)c1[nH]nc2c1C(c1ccncc1)C(C#N)=C(N)O2
{#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#}
6-amino-3-tert-butyl-4-pyridin-4-yl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile