Task: Answer the multiple choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES O=C(CN1CCN(Cc2ccccc2)CC1)Nc1cccc(Br)c1?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
(a) 5.633
(b) -16.727
(c) 13.193
(d) -0.608
Answer: b. -16.727\%.
{#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(CN1CCN(Cc2ccccc2)CC1)Nc1cccc(Br)c1
O=C(CN1CCN(Cc2ccccc2)CC1)Nc1cccc(Br)c1
2-(4-benzylpiperazin-1-yl)-N-(3-bromophenyl)acetamide