Task: Answer the MCQ question.
Question: Which compound has a 16.319\% 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 or b without using any other words.
Options:
a CC(=O)c1c(NCCc2ccccc2)cc(C)oc1=O
b CCCc1cc(=O)oc2cc(C)c(CN3CCCC3)c(O)c12
Answer: b. CCCc1cc(=O)oc2cc(C)c(CN3CCCC3)c(O)c12
{#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#}
CCCc1cc(=O)oc2cc(C)c(CN3CCCC3)c(O)c12
CCCc1cc(=O)oc2cc(C)c(CN3CCCC3)c(O)c12
[C][C][C][C][=C][C][=Branch1][C][=O][O][C][=C][C][Branch1][C][C][=C][Branch1][=Branch2][C][N][C][C][C][C][Ring1][Branch1][C][Branch1][C][O][=C][Ring2][Ring1][Ring1][Ring1][=C]
5-hydroxy-7-methyl-4-propyl-6-(pyrrolidin-1-ylmethyl)chromen-2-one