Task: Answer the MCQ question.
Query: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES Brc1ccc(CN2CCN(Cc3c[nH]c4ccccc34)CC2)cc1.O=C(O)C(=O)O?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
[a] 4.893
[b] -21.989
Answer: b. -21.989\%.
{#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}.
Brc1ccc(CN2CCN(Cc3c[nH]c4ccccc34)CC2)cc1.O=C(O)C(=O)O
Brc1ccc(CN2CCN(Cc3c[nH]c4ccccc34)CC2)cc1.O=C(O)C(=O)O
3-[[4-[(4-bromophenyl)methyl]piperazin-1-yl]methyl]-1H-indole;oxalic acid