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": ""}
 CONTACT UM HERBARIUM <F   h/it 1148961  d3Ps fabales  eCs v4chellia     <!V rolando tãºn ortã­z   M6 2261  t tb Vachellia gentlei  7 guatemala  (STANDL.) SEIGLER & EBINGER +egg   1972-02-10 [      U d.s. seigler        o- gentlei
{"catalogNumber": "1148961", "order": "Fabales", "family": "", "scientificName": "Vachellia gentlei", "scientificNameAuthorship": "(Standl.) Seigler & Ebinger", "genus": "Vachellia", "subgenus": "", "specificEpithet": "gentlei", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "D.S. Seigler", "recordedBy": "Rolando T\u00c3\u00ban Ort\u00c3\u00adz", "recordNumber": "2261", "verbatimEventDate": "1972-02-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Guatemala", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}