Problem statement: Answer the multiple choice question.
Query: What is the hERG inhibition at a concentration of 10uM of a drug with the SMILES O=C(CCCCCNC(=O)N1CCn2c1nc1ccccc12)N[C@H](C(=O)O)c1ccccc1?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a. -6.502
b. 19.868
Answer: b. 19.868%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_10uM__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_10uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_10uM#}{herg_central_at_10uM__units}.
O=C(CCCCCNC(=O)N1CCn2c1nc1ccccc12)N[C@H](C(=O)O)c1ccccc1
O=C(CCCCCNC(=O)N1CCn2c1nc1ccccc12)N[C@H](C(=O)O)c1ccccc1
(2S)-2-[6-(1,2-dihydroimidazo[1,2-a]benzimidazole-3-carbonylamino)hexanoylamino]-2-phenylacetic acid