Task: Answer the multiple-choice question.
Question: Which drug exhibits a 16.271\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. CCCCCn1c(N)c(C(=O)NCc2cccs2)c2nc3ccccc3nc21
b. CCC(C(=O)N1CCc2cc(OC)c(OC)cc2C1)c1ccccc1
c. COc1ccc(CN2CCC(CO)(CCOc3ccccc3)CC2)cc1C
d. CCOc1ccc(OCC)c(NC(=O)C2CCCN(c3nc(C)cc(C)n3)C2)c1
e. O=C1C(Cl)=C(NCC2CCCO2)C(=O)N1c1cccc(Cl)c1Cl
Answer: b. CCC(C(=O)N1CCc2cc(OC)c(OC)cc2C1)c1ccccc1
{#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#}
1-(6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl)-2-phenylbutan-1-one