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": ""}
 dx oaxaca very steep and clayey open quercus, yy4@7   mexico t<>    Q Agave potatorum Howrd S. Gentry R    @a antonio feria; just nw of yanhuitlan, puerto herrero km 420, blow pan american hwy    OYfN~ ZUCC.   1147 B5NT    8-P potatorum    dr SAN BARTOLO SOYALTEPEC  F asparagaceae -97.3795 D5  ASPARAGALES P    +#a> 1051219   
{"catalogNumber": "1051219", "order": "Asparagales", "family": "Asparagaceae", "scientificName": "Agave potatorum", "scientificNameAuthorship": "Zucc.", "genus": "", "subgenus": "", "specificEpithet": "potatorum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Howard S. Gentry", "recordedBy": "", "recordNumber": "1147", "verbatimEventDate": "", "habitat": "Very steep and clayey open Quercus,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Oaxaca", "county": "San Bartolo Soyaltepec", "municipality": "", "locality": "Antonio Feria; just NW of Yanhuitlan, Puerto herrero km 420, below Pan American hwy", "decimalLatitude": "", "decimalLongitude": "-97.3795", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}