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": ""}
  2 M: PIPER OAXACANUM    (~w OAXACANUM  w edmund kerber 303 dgB>  NO DATA  @vcf   v oe fortin nom-vern cordoncillo C. DC. 0 Z+   Piper D`j I    EMX 1883-02-11  PIRPERACEAE =  NO DATA PROVIDED ON LABEL OF CATALOG NO:1233351 Z7m~   #2GZ MEXICO      -_D7 piperales     
{"catalogNumber": "", "order": "Piperales", "family": "Piperaceae", "scientificName": "Piper oaxacanum", "scientificNameAuthorship": "C. DC.", "genus": "Piper", "subgenus": "", "specificEpithet": "oaxacanum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edmund Kerber", "recordNumber": "303", "verbatimEventDate": "1883-02-11", "habitat": "", "occurrenceRemarks": "de fortin nom-vern cordoncillo", "associatedTaxa": "", "country": "Mexico", "stateProvince": "no data", "county": "", "municipality": "", "locality": "no data provided on label of catalog no:1233351", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}