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": ""}
  y 13918   [N  Cyrus G. Pringle    Sierra Madre, near 0Monterrey 6vJ_x  SEDUM CALCICOLA kdN       r rose lmestone ledges     NUEVO LEON `yxT<   calcicola  Sx z      ]-U GRASSULACEAE mexico     -J>*z ROBINSON & GREENM. 
{"catalogNumber": "", "order": "", "family": "Crassulaceae", "scientificName": "Sedum calcicola", "scientificNameAuthorship": "Robinson & Greenm.", "genus": "", "subgenus": "", "specificEpithet": "calcicola", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cyrus G. Pringle", "recordNumber": "13918", "verbatimEventDate": "", "habitat": "rose lmestone ledges", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Nuevo Leon", "county": "", "municipality": "", "locality": "Sierra Madre, near Monterrey", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}