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": ""}
         iw[ HYDROCOTYLE   lx:M CONTACT UM HERBARIUM      / Hydrocotyle mexicana  1959-10-04 v)-     SCHLTDL. & CHAM. /sy   COSTA RICA 0  16942 mGnU  alajuela ^6*lQ   
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Hydrocotyle mexicana", "scientificNameAuthorship": "Schltdl. & Cham.", "genus": "Hydrocotyle", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "16942", "verbatimEventDate": "1959-10-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Costa Rica", "stateProvince": "Alajuela", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}