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": ""}
   RX < euphorbiaceae   nuevo leon  8  no data W   8U CROTON FRUTICULOSUS FREQUENT SUBSHRUBS F(pu   n!9u CROTON   i,  Engelm. ex Torr.   Mexico .K      &ro?o fruticulosus    v  1959-10-09 4215 l @ ?     Q Osi 4 miles south of galeana on the road to iturbie 1829   
{"catalogNumber": "", "order": "", "family": "Euphorbiaceae", "scientificName": "Croton fruticulosus", "scientificNameAuthorship": "Engelm. ex Torr.", "genus": "Croton", "subgenus": "", "specificEpithet": "fruticulosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4215", "verbatimEventDate": "1959-10-09", "habitat": "", "occurrenceRemarks": "frequent subshrubs", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Nuevo Leon", "county": "no data", "municipality": "", "locality": "4 miles south of Galeana on the road to Iturbide", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1829", "maximumElevationInMeters": ""}