Task: Answer the MCQ question.
Question: Which compound exhibits a 3.208\% 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) CC1(C)CC(=O)c2cc(OCC(=O)N3CCOCC3)ccc2O1
(b) COc1ccc(CCNC(=O)CS(=O)(=O)c2cn(CC(=O)N3CCCC3)c3ccccc23)cc1OC
Answer: a. CC1(C)CC(=O)c2cc(OCC(=O)N3CCOCC3)ccc2O1
{#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#}
CC1(C)CC(=O)c2cc(OCC(=O)N3CCOCC3)ccc2O1
CC1(C)CC(=O)c2cc(OCC(=O)N3CCOCC3)ccc2O1
2,2-dimethyl-6-(2-morpholin-4-yl-2-oxoethoxy)-3H-chromen-4-one