Problem statement: Answer the MCQ question.
Query: Which compound has a 2.536\% 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) CN(Cc1cn(C)nc1-c1cccc(Cl)c1)C1CCOCC1
b) COc1ccccc1CN1CC(C(=O)NCc2cc(F)cc(C(F)(F)F)c2)CCC1=O
c) N#Cc1c(NC(=O)C2CCCO2)sc2c1CCCCC2
d) O=[N+]([O-])c1ccc(Cl)c(-c2ccc(/C=N/c3c(-c4ccco4)nc4ccccn34)o2)c1
Answer: d. O=[N+]([O-])c1ccc(Cl)c(-c2ccc(/C=N/c3c(-c4ccco4)nc4ccccn34)o2)c1
{#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=[N+]([O-])c1ccc(Cl)c(-c2ccc(/C=N/c3c(-c4ccco4)nc4ccccn34)o2)c1
O=[N+]([O-])c1ccc(Cl)c(-c2ccc(/C=N/c3c(-c4ccco4)nc4ccccn34)o2)c1
(E)-1-[5-(2-chloro-5-nitrophenyl)furan-2-yl]-N-[2-(furan-2-yl)imidazo[1,2-a]pyridin-3-yl]methanimine