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": ""}
   commelina tuberosa =      6n 19.5517   Mexico %uOj    ! -100.457            vQ TUBEROSA D.R. HUNT zy#   l. *=J=  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Commelina tuberosa", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "tuberosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "D.R. Hunt", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "19.5517", "decimalLongitude": "-100.457", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}