Task: Answer the MCQ question.
Question: Which compound exhibits a 13.458\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a.) CCCC[C@@H]1CN=C(N)N1CC(C)(C)C
b.) COc1cccc(Oc2ccc(S(=O)(=O)N3CCCC3)cc2[N+](=O)[O-])c1
c.) CC(=O)O.Cc1nc2nc(CSc3nnc(C)s3)cc(=O)n2[nH]1
d.) O=C(CNCc1ccc(Cl)cc1)Nc1ccc2c(c1)OCCO2.O=C(O)C(=O)O
e.) COC(=O)[C@@]12CCCN1[C@H](c1ccc(-c3ccccc3)cc1)[C@H]1C(=O)N(C)C(=O)[C@H]12.O=C(O)C(F)(F)F
Answer: a. CCCC[C@@H]1CN=C(N)N1CC(C)(C)C
{#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)N1CC(C)(C)C
CCCC[C@@H]1CN=C(N)N1CC(C)(C)C
(5R)-5-butyl-1-(2,2-dimethylpropyl)-4,5-dihydroimidazol-2-amine