Task: Answer the MCQ question.
Query: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES Cl.O=C(O)CN1C2=NCCCN2c2ccccc21?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
a) 2.431
b) 15.769
Answer: b. 15.769\%.
{#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}.
Cl.O=C(O)CN1C2=NCCCN2c2ccccc21
Cl.O=C(O)CN1C2=NCCCN2c2ccccc21
2-(3,4-dihydro-2H-pyrimido[1,2-a]benzimidazol-10-yl)acetic acid;hydrochloride