Task: Answer the multiple-choice question.
Question: Which compound exhibits a 9.854\% 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, b, c, or d without using any other words.
Options:
a COc1cc(C2/C(=C(\O)c3ccc4c(c3)OCCO4)C(=O)C(=O)N2Cc2ccccc2)ccc1O
b Cc1c(OCC(F)(F)F)ccnc1CS(=O)c1nc2ccccc2[nH]1
c CCOc1cc(C(C(=O)NCC2CCCO2)N(C(=O)Cn2nnc3ccccc32)c2ccccc2OC)ccc1O
d Fc1ccc(Nc2nc(-c3ccncc3)cs2)cc1
Answer: a. COc1cc(C2/C(=C(\O)c3ccc4c(c3)OCCO4)C(=O)C(=O)N2Cc2ccccc2)ccc1O
{#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#}
COc1cc(C2/C(=C(\O)c3ccc4c(c3)OCCO4)C(=O)C(=O)N2Cc2ccccc2)ccc1O
COc1cc(C2/C(=C(\O)c3ccc4c(c3)OCCO4)C(=O)C(=O)N2Cc2ccccc2)ccc1O
(4E)-1-benzyl-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylidene]-5-(4-hydroxy-3-methoxyphenyl)pyrrolidine-2,3-dione