Problem statement: Answer the multiple-choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES O=c1c2c(-c3ccc(Cl)cc3)csc2ncn1/N=C/c1cccc([N+](=O)[O-])c1O?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
(a) 13.303
(b) 3.758
(c) 5.552
Answer: b. 3.758\%.
{#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=c1c2c(-c3ccc(Cl)cc3)csc2ncn1/N=C/c1cccc([N+](=O)[O-])c1O
O=c1c2c(-c3ccc(Cl)cc3)csc2ncn1/N=C/c1cccc([N+](=O)[O-])c1O
5-(4-chlorophenyl)-3-[(E)-(2-hydroxy-3-nitrophenyl)methylideneamino]thieno[2,3-d]pyrimidin-4-one