Task: Answer the multiple-choice question.
Question: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES CCCCn1nnc(NC(=O)Cc2ccc(Cl)cc2)n1?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) -19.456
(b) 9.211
(c) -4.742
(d) 4.064
Answer: c. -4.742\%.
{#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}.
CCCCn1nnc(NC(=O)Cc2ccc(Cl)cc2)n1
CCCCn1nnc(NC(=O)Cc2ccc(Cl)cc2)n1
N-(2-butyltetrazol-5-yl)-2-(4-chlorophenyl)acetamide