Task: Answer the MCQ 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 O=C1CN2NC(=S)N(c3ccc(Cl)cc3)C2=CN1c1ccc(Cl)cc1?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a) 8.223
b) 6.518
Answer: a. 8.223\%.
{#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}.
O=C1CN2NC(=S)N(c3ccc(Cl)cc3)C2=CN1c1ccc(Cl)cc1
O=C1CN2NC(=S)N(c3ccc(Cl)cc3)C2=CN1c1ccc(Cl)cc1
1,7-bis(4-chlorophenyl)-2-sulfanylidene-3,5-dihydro-[1,2,4]triazolo[1,5-a]pyrazin-6-one