Task: Answer the multiple choice question.
Query: Which drug has a 19.180\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a COc1cccc(NC(=O)CSc2ncnc3c2cnn3Cc2ccccc2)c1
b CCCCNC(=O)c1c(N)n(Cc2ccc3c(c2)OCO3)c2nc3ccccc3nc12
Answer: b. CCCCNC(=O)c1c(N)n(Cc2ccc3c(c2)OCO3)c2nc3ccccc3nc12
{#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#}
CCCCNC(=O)c1c(N)n(Cc2ccc3c(c2)OCO3)c2nc3ccccc3nc12
CCCCNC(=O)c1c(N)n(Cc2ccc3c(c2)OCO3)c2nc3ccccc3nc12
2-amino-1-(1,3-benzodioxol-5-ylmethyl)-N-butylpyrrolo[3,2-b]quinoxaline-3-carboxamide