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": ""}
paulus j.m. maas ~Xu 1  r. e. fr.    Duguetia surinamensis    "Ameju" 7ree 50 ft. high; B.A. Krukoff's 5th Exped. To Brazilian Amazonia N #e   Q+ Basin of Rio Madeira near Tres Casas. On low terra firma magnoliales fZ[   0)F annonaceae     7 surinamensis    1115391  j^aj      ( A boris a. krukoff    $ Humayta   p4 Am4zonas     
{"catalogNumber": "1115391", "order": "Magnoliales", "family": "Annonaceae", "scientificName": "Duguetia surinamensis", "scientificNameAuthorship": "R. E. Fr.", "genus": "", "subgenus": "", "specificEpithet": "surinamensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Paulus J.M. Maas", "recordedBy": "Boris A. Krukoff", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "\"Ameju\" Tree 50 ft. high; B.A. Krukoff's 5th Exped. To Brazilian Amazonia", "associatedTaxa": "", "country": "", "stateProvince": "Amazonas", "county": "Humayta", "municipality": "", "locality": "Basin of Rio Madeira near Tres Casas. On low terra firma", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}