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": ""}
     beside highway approximately .5 mile north of amacusac  h0.   EUPHORBIA E,  1949-08-15 /(#!      WRj/z HETEROPHYLLA  chester m. rowe<ll, jr. >   UCux  1161939    2091 #)(        _ in rocky hillside EUPHORBIA HETEROPHYLLA 7t 
{"catalogNumber": "1161939", "order": "", "family": "", "scientificName": "Euphorbia heterophylla", "scientificNameAuthorship": "", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "heterophylla", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Chester M. Rowell, Jr.", "recordNumber": "2091", "verbatimEventDate": "1949-08-15", "habitat": "in rocky hillside", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "beside highway approximately .5 mile north of Amacusac", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}