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": ""}
 m 5356       CONTACT UM HERBARIUM I7JX  ROTH EX ROEM. & SCHULT. u=4y    mexico xw   X GPoaceae   YW[ Poales  +@U7 FransiscoJ. Santana-Michel    s( 1991-08-30 PANICUM MERTENSII FD    KAjO panicum  mertensii nv j   B. BENZ K. & F. J. SANTANA M. g:~~   
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum mertensii", "scientificNameAuthorship": "Roth ex Roem. & Schult.", "genus": "Panicum", "subgenus": "", "specificEpithet": "mertensii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Fransisco J. Santana-Michel", "recordedBy": "B. Benz K. & F. J. Santana M.", "recordNumber": "5356", "verbatimEventDate": "1991-08-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}