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": ""}
ANGUSTIFOLIA +OpjV   Howard S. Gentry IiTLL  asparagales 7IPq     AGAVE c?Nn|    E zTJx$ 1909-06-07    ) 6240   ` h4w.     CONTACT UM HERBARIUM xan)i       GUATEMALA |gm0v  
{"catalogNumber": "", "order": "Asparagales", "family": "", "scientificName": "", "scientificNameAuthorship": "Haw.", "genus": "Agave", "subgenus": "", "specificEpithet": "angustifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Howard S. Gentry", "recordedBy": "", "recordNumber": "6240", "verbatimEventDate": "1909-06-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Guatemala", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}