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": ""}
G. E. CRISMAN & W. D. WILLIS rY   gbF7z 1954-06-10   d  in broadleaf tree   2NzKR maxillaria variabilis  <~ variabilis  5 orchidacea3         >: 945  Zz i mexico    _SMI guerrero  7^k maxillaria  U Asparagales 1651508 U5* V     I2 chilpancingo de los bravo  1j batem. ex lindl.
{"catalogNumber": "1651508", "order": "Asparagales", "family": "Orchidaceae", "scientificName": "Maxillaria variabilis", "scientificNameAuthorship": "Batem. ex Lindl.", "genus": "Maxillaria", "subgenus": "", "specificEpithet": "variabilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "G. E. Crisman & W. D. Willis", "recordNumber": "", "verbatimEventDate": "1954-06-10", "habitat": "in broadleaf tree", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Guerrero", "county": "Chilpancingo de los Bravo", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "945", "maximumElevationInMeters": ""}