Task: Answer the MCQ question.
Question: Which drug exhibits a 2.744\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COc1ccc(-c2c[n+]3c(n2-c2ccccc2)CCCCC3)cc1.[Br-]
b) CCc1ccccc1N1CC(C(=O)Nc2cc(S(=O)(=O)N3CCCC3)ccc2Cl)CC1=O
Answer: a. COc1ccc(-c2c[n+]3c(n2-c2ccccc2)CCCCC3)cc1.[Br-]
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccc(-c2c[n+]3c(n2-c2ccccc2)CCCCC3)cc1.[Br-]
COc1ccc(-c2c[n+]3c(n2-c2ccccc2)CCCCC3)cc1.[Br-]
2-(4-methoxyphenyl)-1-phenyl-6,7,8,9-tetrahydro-5H-imidazo[1,2-a]azepin-4-ium;bromide