Task: Answer the MCQ question.
Query: Which compound exhibits a 13.978\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: C[C@H](C(=O)CC(=O)OC(C)(C)C)[C@H](O)c1ccc(C(F)(F)F)cc1
b: Cn1c(=O)c(=O)n(C)c2cc(S(=O)(=O)N3CCN(c4cccc(C(F)(F)F)c4)CC3)ccc21
Answer: a. C[C@H](C(=O)CC(=O)OC(C)(C)C)[C@H](O)c1ccc(C(F)(F)F)cc1
{#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#}
C[C@H](C(=O)CC(=O)OC(C)(C)C)[C@H](O)c1ccc(C(F)(F)F)cc1
C[C@H](C(=O)CC(=O)OC(C)(C)C)[C@H](O)c1ccc(C(F)(F)F)cc1
[C][C@H1][Branch2][Ring1][Ring1][C][=Branch1][C][=O][C][C][=Branch1][C][=O][O][C][Branch1][C][C][Branch1][C][C][C][C@H1][Branch1][C][O][C][=C][C][=C][Branch1][=Branch2][C][Branch1][C][F][Branch1][C][F][F][C][=C][Ring1][#Branch2]
tert-butyl (4S,5S)-5-hydroxy-4-methyl-3-oxo-5-[4-(trifluoromethyl)phenyl]pentanoate