Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
 GUINEENSE 18;   gabriel flores f.      `P SW. 1990-04-15 :     W Myrtales  d6] conact um herbarium  o ga2 myrptaceae  .9U psidium     [ yx Mexico  1235859 sG3       nayaritq fS     bRaB 1997  6_=)Q PSIDIUM GUINEENSE
{"catalogNumber": "1235859", "order": "Myrtales", "family": "Myrtaceae", "scientificName": "Psidium guineense", "scientificNameAuthorship": "Sw.", "genus": "Psidium", "subgenus": "", "specificEpithet": "guineense", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Gabriel Flores F.", "recordNumber": "1997", "verbatimEventDate": "1990-04-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Nayarit", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}