Problem statement: Answer the multiple-choice question.
Question: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES O=C(c1cnccn1)N(Cc1cccs1)C1(C(=O)NC2CCCC2)CCCCC1?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
a 2.560
b 1.124
Answer: a. 2.560\%.
{#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}.
O=C(c1cnccn1)N(Cc1cccs1)C1(C(=O)NC2CCCC2)CCCCC1
O=C(c1cnccn1)N(Cc1cccs1)C1(C(=O)NC2CCCC2)CCCCC1
N-[1-(cyclopentylcarbamoyl)cyclohexyl]-N-(thiophen-2-ylmethyl)pyrazine-2-carboxamide