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": ""}
 SUBMERGENT MARSH; IN CA. 18" OF WATER IN POND; MOSTLY SUNNY; WET MUCK.- COMMON. PaZ+z      War UNITED STATES Michigan Y      1304647 3  1993-10-05 b7`      n@. "ASSOC.: CHARA SP.; POTAMOGETON PECTINATUS SPP., JUNCUS EFF., MIMULUS RINGENS"   ALISMATALES 1qe2  NAJAS ,Gx   42.30282 ?Wr4    l. Ml !    |>] 0 marina  18790 q@AU 
{"catalogNumber": "1304647", "order": "Alismatales", "family": "", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Najas", "subgenus": "", "specificEpithet": "marina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "18790", "verbatimEventDate": "1993-10-05", "habitat": "Submergent marsh; in ca. 18\" of water in pond; mostly sunny; wet muck. Common.", "occurrenceRemarks": "\"Assoc.: Chara sp.; Potamogeton pectinatus spp., Juncus eff., Mimulus ringens\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.30282", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}