Task: Answer the MCQ question.
Query: Which compound exhibits a 16.607\% 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 Cc1cc2oc(=O)cc(CN3CCOCC3)c2cc1Cl
b CC(C)=C(NC(=O)c1ccccc1Br)C(=O)NCCc1nc2ccccc2[nH]1
Answer: a. Cc1cc2oc(=O)cc(CN3CCOCC3)c2cc1Cl
{#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#}
Cc1cc2oc(=O)cc(CN3CCOCC3)c2cc1Cl
Cc1cc2oc(=O)cc(CN3CCOCC3)c2cc1Cl
6-chloro-7-methyl-4-(morpholin-4-ylmethyl)chromen-2-one