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": ""}
   OLZ3 1662484   Z( * big lake, koon kreek klub   aH-dH Floating at water's edge ARACEAE h?  united states ]  J. K. G. Silvey ml   >?k henderson   I * texas   M D. alismabtales  $K#aC (l.) schleid. 1939-10-16 :? @   q!jx8 spirodela polyUrhiza   7 3.H. Daubs 3177 DWM   POLYRHIZA P>    spirodela s0?  
{"catalogNumber": "1662484", "order": "Alismatales", "family": "Araceae", "scientificName": "Spirodela polyrhiza", "scientificNameAuthorship": "(L.) Schleid.", "genus": "Spirodela", "subgenus": "", "specificEpithet": "polyrhiza", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "E.H. Daubs", "recordedBy": "J. K. G. Silvey", "recordNumber": "3177", "verbatimEventDate": "1939-10-16", "habitat": "Floating at water's edge", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Henderson", "municipality": "", "locality": "Big Lake, Koon Kreek Klub", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}