Problem statement: Answer the MCQ question.
Query: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES O=c1[nH]c2c(cnn2-c2ccc(Cl)cc2)c(=O)n1-c1cccc(Cl)c1?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
(a) 18.683
(b) 12.301
(c) -13.168
Answer: a. 18.683\%.
{#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]c2c(cnn2-c2ccc(Cl)cc2)c(=O)n1-c1cccc(Cl)c1
O=c1[nH]c2c(cnn2-c2ccc(Cl)cc2)c(=O)n1-c1cccc(Cl)c1
5-(3-chlorophenyl)-1-(4-chlorophenyl)-7H-pyrazolo[3,4-d]pyrimidine-4,6-dione