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": ""}
 MCf pontedriaceae  Sc Q COMMELINALES a.a. [ann arbor].  Smw     heteranther4 dubia b3n   z= washt3naw   fW|ol Michigan  |w=! UNITED STATES edward g. voss xf     (JACQ.) MACMILL. ; _   dubia c#f   t[`ra ELIZABETH C. ALMENDINGER   common in streams 2X 7    g S.N.   1316021 V]q1     RB 1966-08-21
{"catalogNumber": "1316021", "order": "Commelinales", "family": "Pontederiaceae", "scientificName": "Heteranthera dubia", "scientificNameAuthorship": "(Jacq.) MacMill.", "genus": "", "subgenus": "", "specificEpithet": "dubia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Elizabeth C. Almendinger", "recordNumber": "s.n.", "verbatimEventDate": "1966-08-21", "habitat": "Common in streams", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "A.A. [Ann Arbor].", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}