Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a drug with the SMILES CC(C)c1ccc2[nH]c3c(c2c1)[C@@H]1CCN2C(=O)CCC[C@H](C3)[C@H]12?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
a. 6.393
b. 12.502
c. 3.193
Answer: a. 6.393\%.
{#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}.
CC(C)c1ccc2[nH]c3c(c2c1)[C@@H]1CCN2C(=O)CCC[C@H](C3)[C@H]12
CC(C)c1ccc2[nH]c3c(c2c1)[C@@H]1CCN2C(=O)CCC[C@H](C3)[C@H]12
(1S,12R,20R)-5-propan-2-yl-9,17-diazapentacyclo[10.7.1.02,10.03,8.017,20]icosa-2(10),3(8),4,6-tetraen-16-one