Task: Please create a molecule SMILES based on the text description below.
Description: A molecule with a Caco-2 cell effective permeability of approximately -4.740 cm/s.
Result: O=C1CCCN1CCCCN1CCN(c2cc(C(F)(F)F)ccn2)CC1
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-[4-[4-[4-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl]butyl]pyrrolidin-2-one