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 drug with the SMILES COCCN1CCn2c(nc3cc(NC(=O)c4ccc(OC)cc4)ccc32)C1?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
(a) 13.277
(b) -0.405
Answer: b. -0.405\%.
{#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}.
COCCN1CCn2c(nc3cc(NC(=O)c4ccc(OC)cc4)ccc32)C1
COCCN1CCn2c(nc3cc(NC(=O)c4ccc(OC)cc4)ccc32)C1
[C][O][C][C][N][C][C][N][C][=Branch2][Ring1][P][=N][C][=C][C][Branch2][Ring1][C][N][C][=Branch1][C][=O][C][=C][C][=C][Branch1][Ring1][O][C][C][=C][Ring1][Branch2][=C][C][=C][Ring1][P][Ring2][Ring1][Ring2][C][Ring2][Ring1][Branch2]
4-methoxy-N-[2-(2-methoxyethyl)-3,4-dihydro-1H-pyrazino[1,2-a]benzimidazol-8-yl]benzamide