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": ""}
2008-04-18 :O     helioscopia z6 6   Anne Arundel ]>8o     w.d. longbottom    kmW euphorbia helioscopia  $n;ew malpighiales   f,9 1496129   q marylnd     ~ euphorbia   L. $6   4Eh Y Town of Arnold, along US Rt. 50 just east of MD Rt. 179, Saint Margarets Road, on the south side of the road near Whitehall road.  UNITED STATES SN    IRGK 10947
{"catalogNumber": "1496129", "order": "Malpighiales", "family": "", "scientificName": "Euphorbia helioscopia", "scientificNameAuthorship": "L.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "helioscopia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W.D. Longbottom", "recordNumber": "10947", "verbatimEventDate": "2008-04-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maryland", "county": "Anne Arundel", "municipality": "", "locality": "Town of Arnold, along US Rt. 50 just east of MD Rt. 179, Saint Margarets Road, on the south side of the road near Whitehall road.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}