Task: Answer the multiple-choice question.
Query: Which compound exhibits a -45.273\% 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, or c without using any other words.
Options:
a: COc1ccc(CC(C)NCCc2ccc(OC)c(OC)c2)cc1
b: COc1cc(CCC(=O)OCC(=O)NC2CCCC(C)C2C)cc(OC)c1OC
c: COCCc1ncc(CN2CCCCC2C(=O)Nc2ccc(Oc3ccccc3)nc2)cn1
Answer: a. COc1ccc(CC(C)NCCc2ccc(OC)c(OC)c2)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#}
COc1ccc(CC(C)NCCc2ccc(OC)c(OC)c2)cc1
COc1ccc(CC(C)NCCc2ccc(OC)c(OC)c2)cc1
N-[2-(3,4-dimethoxyphenyl)ethyl]-1-(4-methoxyphenyl)propan-2-amine