Task: Answer the multiple-choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a compound with the SMILES CCCCn1c2nc3ccccc3nc2c2c(=O)n(-c3ccccc3)cnc21?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a: 2.172
b: 11.072
c: -9.419
d: 8.639
Answer: a. 2.172\%.
{#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}.
CCCCn1c2nc3ccccc3nc2c2c(=O)n(-c3ccccc3)cnc21
CCCCn1c2nc3ccccc3nc2c2c(=O)n(-c3ccccc3)cnc21
17-butyl-13-phenyl-2,9,13,15,17-pentazatetracyclo[8.7.0.03,8.011,16]heptadeca-1,3,5,7,9,11(16),14-heptaen-12-one