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": ""}
   1616 M$C  c.v. morton SKE   F  (saff.) seigler & ebinger     fabales q<1    Vachellia 8   EL TAMARINDO; TEHUANTEPEC; 4-5 KM E OF JUCHITÃ¡N, ALNG HE PAN AMERICAN HWY ROUTES 185 AND 190 >X AE     OAXACA :   Vachellia collinsii =!|      
{"catalogNumber": "", "order": "Fabales", "family": "", "scientificName": "Vachellia collinsii", "scientificNameAuthorship": "(Saff.) Seigler & Ebinger", "genus": "Vachellia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "C.V. Morton", "recordedBy": "", "recordNumber": "1616", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "El Tamarindo; Tehuantepec; 4-5 km E of Juchit\u00c3\u00a1n, along the Pan American hwy routes 185 and 190", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}