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": ""}
   XQo+ agave shrevei subsp. matapensis    <2, shrevei 1115994 L~cK  -109.738 Az5e   i MATAPENSIS    SONORA g[  Agave $    Mexico Z      11607  HOWARD S. GENTY i&[9   $K`r; subsp.  29.2343 8A  914 hk     
{"catalogNumber": "1115994", "order": "", "family": "", "scientificName": "Agave shrevei subsp. matapensis", "scientificNameAuthorship": "", "genus": "Agave", "subgenus": "", "specificEpithet": "shrevei", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "matapensis", "identifiedBy": "", "recordedBy": "Howard S. Gentry", "recordNumber": "11607", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Sonora", "county": "", "municipality": "", "locality": "", "decimalLatitude": "29.2343", "decimalLongitude": "-109.738", "verbatimCoordinates": "", "minimumElevationInMeters": "914", "maximumElevationInMeters": ""}