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": ""}
 2C$e (l.) schleid.  b# ARACEAE eula whitehouse (    & United States    6 polyrhiza  JEO, DALLAS  shade. plants floating #v?  1947-10-15  8C?     4j.j0 gravel pit pond   rqe texas  1663031 [0      DgE alismatales Spirodela S?=W=    SPIRODELA POLYRHIZA on  19306 E:g]  West of circle near Letot  A9
{"catalogNumber": "1663031", "order": "Alismatales", "family": "Araceae", "scientificName": "Spirodela polyrhiza", "scientificNameAuthorship": "(L.) Schleid.", "genus": "Spirodela", "subgenus": "", "specificEpithet": "polyrhiza", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Eula Whitehouse", "recordNumber": "19306", "verbatimEventDate": "1947-10-15", "habitat": "Gravel pit pond", "occurrenceRemarks": "Shade. Plants floating", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Dallas", "municipality": "", "locality": "West of circle near Letot", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}