Task: Answer the multiple-choice question.
Question: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES CCc1ccc(Nc2n[n+](-c3ccccc3)c(-c3cc(OC)c(OC)cc3Br)s2)cc1.[Cl-]?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) -0.471
(b) 7.503
(c) 15.790
(d) -2.203
Answer: a. -0.471\%.
{#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}.
CCc1ccc(Nc2n[n+](-c3ccccc3)c(-c3cc(OC)c(OC)cc3Br)s2)cc1.[Cl-]
CCc1ccc(Nc2n[n+](-c3ccccc3)c(-c3cc(OC)c(OC)cc3Br)s2)cc1.[Cl-]
5-(2-bromo-4,5-dimethoxyphenyl)-N-(4-ethylphenyl)-4-phenyl-1,3,4-thiadiazol-4-ium-2-amine;chloride