Task: Please generate a SMILES based on the description below.
Description: A molecule with a Caco-2 cell permeability of approximately -4.350 cm/s.
Result: Cn1c(=O)c2[nH]cnc2n(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#}
1,3-dimethyl-7H-purine-2,6-dione