Task: Answer the MCQ question.
Query: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES CCCCc1[nH]nc2c1C1(C(=O)N(CC)c3ccccc31)C(C#N)=C(N)O2?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a. 1.844
b. 12.236
Answer: a. 1.844\%.
{#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}.
CCCCc1[nH]nc2c1C1(C(=O)N(CC)c3ccccc31)C(C#N)=C(N)O2
CCCCc1[nH]nc2c1C1(C(=O)N(CC)c3ccccc31)C(C#N)=C(N)O2
6-amino-3-butyl-1'-ethyl-2'-oxospiro[2H-pyrano[2,3-c]pyrazole-4,3'-indole]-5-carbonitrile