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": ""}
  MALPIGHIALES y-Ke  Robert L. Wilbur efGV     1157869 r  HIRTA ?     1949-07-07 D   +d euphorbia hirta  XM JALISCO  ROGERS MCVAUGH 8  L. h @p    x^CMD 19.5159   $Y casimiro castillo  O Very common in all moist open areas  h#pe mexico euphorbia 8M   
{"catalogNumber": "1157869", "order": "Malpighiales", "family": "", "scientificName": "Euphorbia hirta", "scientificNameAuthorship": "L.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "hirta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Rogers McVaugh", "recordedBy": "Robert L. Wilbur", "recordNumber": "", "verbatimEventDate": "1949-07-07", "habitat": "Very common in all moist open areas", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Jalisco", "county": "Casimiro Castillo", "municipality": "", "locality": "", "decimalLatitude": "19.5159", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}