Task: Please give me a molecule SMILES based on the description.
Description: A molecule with a Caco-2 permeability of approximately -4.180 cm/s.
Result: CC(=O)CCCCn1c(=O)c2c(ncn2C)n(C)c1=O
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: A molecule with a {permeability__names__noun} of approximately {permeability#} {permeability__units}.
Result: {SMILES#}
3,7-dimethyl-1-(5-oxohexyl)purine-2,6-dione