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": ""}
Welw. r      Araceae !2   1208981 0,  LEMNA ~%enu  14786 =3] 5      0/ja alismatales vicinity ofS Siland and Balete -sGj   CALABARZON H      Sdg Cavite 1935-10-24  mb      B W Philippines  
{"catalogNumber": "1208981", "order": "Alismatales", "family": "Araceae", "scientificName": "", "scientificNameAuthorship": "Welw.", "genus": "Lemna", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "14786", "verbatimEventDate": "1935-10-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Philippines", "stateProvince": "Calabarzon", "county": "Cavite", "municipality": "", "locality": "vicinity of Siland and Balete", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}