Task: Answer the multiple-choice question.
Question: Which compound exhibits a -2.663\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CC(C)C[C@H](NC(=O)c1nc[nH]c1C(=O)NCC(=O)OCc1ccccc1)C(=O)OC(C)(C)C
(b) COc1cccc(N(CC(=O)Nc2cccc(N(C)S(C)(=O)=O)c2)S(C)(=O)=O)c1
Answer: a. CC(C)C[C@H](NC(=O)c1nc[nH]c1C(=O)NCC(=O)OCc1ccccc1)C(=O)OC(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#}
CC(C)C[C@H](NC(=O)c1nc[nH]c1C(=O)NCC(=O)OCc1ccccc1)C(=O)OC(C)(C)C
CC(C)C[C@H](NC(=O)c1nc[nH]c1C(=O)NCC(=O)OCc1ccccc1)C(=O)OC(C)(C)C
tert-butyl (2S)-4-methyl-2-[[5-[(2-oxo-2-phenylmethoxyethyl)carbamoyl]-1H-imidazole-4-carbonyl]amino]pentanoate