Task: Answer the multiple choice question.
Query: Which compound exhibits a 2.078\% 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.) Cc1ccc2nc(N3CCN(C)CC3)c(C=O)c(=O)n2c1
b.) Cc1ccc(NC(=O)CCCC2CCCCC2)c(O)c1
Answer: a. Cc1ccc2nc(N3CCN(C)CC3)c(C=O)c(=O)n2c1
{#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#}
Cc1ccc2nc(N3CCN(C)CC3)c(C=O)c(=O)n2c1
Cc1ccc2nc(N3CCN(C)CC3)c(C=O)c(=O)n2c1
7-methyl-2-(4-methylpiperazin-1-yl)-4-oxopyrido[1,2-a]pyrimidine-3-carbaldehyde