Task: Answer the multiple-choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a drug with the SMILES Nc1nc(SCc2nc3scc(-c4cccs4)c3c(=O)[nH]2)n[nH]1?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
[a] 2.128
[b] 8.563
[c] 18.201
Answer: c. 18.201\%.
{#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}.
Nc1nc(SCc2nc3scc(-c4cccs4)c3c(=O)[nH]2)n[nH]1
Nc1nc(SCc2nc3scc(-c4cccs4)c3c(=O)[nH]2)n[nH]1
2-[(5-amino-1H-1,2,4-triazol-3-yl)sulfanylmethyl]-5-thiophen-2-yl-3H-thieno[2,3-d]pyrimidin-4-one