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": ""}
   +wN`  laxum    LT l.h. harvey PANICUM LAXUM I   p]anicum R_w  1126450 5H     LA7t eizi matuda    Contact UM Herbarium 6x$_j    1939-07-25 |u-    r( d Poales  z1m] MEXICO  z POACEAE    @t 3899
{"catalogNumber": "1126450", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum laxum", "scientificNameAuthorship": "", "genus": "Panicum", "subgenus": "", "specificEpithet": "laxum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "L.H. Harvey", "recordedBy": "Eizi Matuda", "recordNumber": "3899", "verbatimEventDate": "1939-07-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}