Task: Answer the multiple-choice question.
Question: Which drug exhibits a -4.875\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) Cc1ccc(-c2nc3ccccc3c(=O)n2CCN2CCOCC2)cc1
b) COc1cccc(-n2c(C)nc3c(cnn3-c3ccc(C)cc3)c2=O)c1
Answer: a. Cc1ccc(-c2nc3ccccc3c(=O)n2CCN2CCOCC2)cc1
{#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#}
2-(4-methylphenyl)-3-(2-morpholin-4-ylethyl)quinazolin-4-one