Task: Answer the MCQ question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES O=c1[nH]c(Cc2cccs2)nc2scc(-c3ccc(Cl)cc3)c12?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a -3.080
b -5.192
Answer: a. -3.080\%.
{#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=c1[nH]c(Cc2cccs2)nc2scc(-c3ccc(Cl)cc3)c12
O=c1[nH]c(Cc2cccs2)nc2scc(-c3ccc(Cl)cc3)c12
5-(4-chlorophenyl)-2-(thiophen-2-ylmethyl)-3H-thieno[2,3-d]pyrimidin-4-one