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": ""}
 1650 -sp   c CHIAPAS  @U^ EUGENIA SILTEPEC4NA     f.r. barrie Z    MYRTALES   -S     f@-| lundell   MYRTACEAEW     1966-08-23 9  @  1233944 7C    Robert M. Laughlin t$&,  mexico    
{"catalogNumber": "1233944", "order": "Myrtales", "family": "Myrtaceae", "scientificName": "Eugenia siltepecana", "scientificNameAuthorship": "Lundell", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "F.R. Barrie", "recordedBy": "Robert M. Laughlin", "recordNumber": "1650", "verbatimEventDate": "1966-08-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Chiapas", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}