Problem statement: Answer the multiple choice question.
Query: Which drug has a 12.298\% 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. COc1ncnc2c1oc1ccccc12
b. N/C(CC(=O)NCCOc1ccccc1)=N\O
c. CCc1nc(SCC(=O)NCC2CCCO2)c2oc3ccccc3c2n1
d. COc1ccc(N/C=C(\C#N)c2nc3ccccc3n2C)c(OC)c1
e. Cc1cccc(NC(=O)c2cccnc2Oc2ccccc2)c1C(=O)O
Answer: a. COc1ncnc2c1oc1ccccc12
{#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#}
4-methoxy-[1]benzofuro[3,2-d]pyrimidine