Task: Answer the MCQ question.
Query: Which compound exhibits a -0.507\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CC(=O)N1CCC2(CC1)CC(=O)c1cc(OCC(=O)N3CCOCC3)ccc1O2
(b) Cc1cc(C(=O)Nc2ccccc2)oc(=O)c1
(c) COc1ccc(C2C(C(=O)N3CCOCC3)=C(C)NC3=C2C(=O)CC(C)(C)C3)c(OC)c1
Answer: a. CC(=O)N1CCC2(CC1)CC(=O)c1cc(OCC(=O)N3CCOCC3)ccc1O2
{#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#}
CC(=O)N1CCC2(CC1)CC(=O)c1cc(OCC(=O)N3CCOCC3)ccc1O2
CC(=O)N1CCC2(CC1)CC(=O)c1cc(OCC(=O)N3CCOCC3)ccc1O2
1'-acetyl-6-(2-morpholin-4-yl-2-oxoethoxy)spiro[3H-chromene-2,4'-piperidine]-4-one