Task: Answer the multiple choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a compound with the SMILES CCc1ccccc1NC(=O)CSc1nnc([C@H](CCSC)NC(=O)OC(C)(C)C)o1?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) 21.449
(b) 6.159
(c) 2.240
(d) -0.731
Answer: c. 2.240\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
CCc1ccccc1NC(=O)CSc1nnc([C@H](CCSC)NC(=O)OC(C)(C)C)o1
CCc1ccccc1NC(=O)CSc1nnc([C@H](CCSC)NC(=O)OC(C)(C)C)o1
tert-butyl N-[(1S)-1-[5-[2-(2-ethylanilino)-2-oxoethyl]sulfanyl-1,3,4-oxadiazol-2-yl]-3-methylsulfanylpropyl]carbamate