Problem statement: Answer the multiple choice question.
Query: Which compound has a 17.541\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) O=[N+]([O-])c1ccc(Nc2ccccc2F)nc1
(b) COc1ccccc1CNC(=O)CN(C)S(=O)(=O)c1ccc2c(c1)n(C)c(=O)c(=O)n2C
(c) CCCC[C@@H]1CN=C(N)N1CCCC
(d) O=C(Nc1ccc(Cl)c(-c2nc3ccccc3[nH]2)c1)c1cccnc1
Answer: c. CCCC[C@@H]1CN=C(N)N1CCCC
{#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#}
CCCC[C@@H]1CN=C(N)N1CCCC
CCCC[C@@H]1CN=C(N)N1CCCC
(5R)-1,5-dibutyl-4,5-dihydroimidazol-2-amine