The molecule with the SMILES representation of O=C(O)c1cc2ccnnc2c(C(=O)O)c1C(=O)O has a gaseous phase highest occupied molecular orbital energy at the PBE level of theory of -0.21948 Hartree.
The {#molecule|compound|chemical|molecular species|chemical compound!} with the {SMILES__description} {#representation of |!}{SMILES#} has a {gasHomo__names__noun} of {gasHomo#} {gasHomo__units}.