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": ""}
 +&3 michigan    NB  45.57735   Yb COMMON IN DOUGLAS LAKE NEAR MAPLE POINT.  1973-0818 4   w. alan wentz D[b         .@yE UNITED STATES   1304523 4o <  HYDROCHARITACEAE &m&1Y  ALISMATALES ya>]       Vt&Xn Najas   952 QrQT 
{"catalogNumber": "1304523", "order": "Alismatales", "family": "Hydrocharitaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Najas", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. Alan Wentz", "recordNumber": "952", "verbatimEventDate": "1973-08-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Common in Douglas Lake near Maple Point.", "decimalLatitude": "45.57735", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}