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": ""}
      z+ CONTACT UM HERBARIUM  K 1126491 poales  ju   ]@BX Poaceae   LAXUM h     K `- 6887   Belize 7 3]   /js 1949-11-12     pP[8 PANICUM  AT! PANICUM LAXUM  TEme percy h. gentle   KP Sw.
{"catalogNumber": "1126491", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum laxum", "scientificNameAuthorship": "Sw.", "genus": "Panicum", "subgenus": "", "specificEpithet": "laxum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Percy H. Gentle", "recordNumber": "6887", "verbatimEventDate": "1949-11-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Belize", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}