```xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns4:query_definition xmlns:ns2="http://www.i2b2.org/xsd/cell/crc/psm/1.1/" xmlns:ns4="http://www.i2b2.org/xsd/cell/crc/psm/querydefinition/1.1/" xmlns:ns3="http://www.i2b2.org/xsd/cell/crc/psm/analysisdefinition/1.1/">
    <query_name>Adrenal cortica@15:54:05</query_name>
    <query_timing>ANY</query_timing>
    <specificity_scale>0</specificity_scale>
    <panel>
        <panel_number>1</panel_number>
        <panel_timing>ANY</panel_timing>
        <panel_accuracy_scale>100</panel_accuracy_scale>
        <invert>0</invert>
        <total_item_occurrences>1</total_item_occurrences>
        <item>
            <hlevel>3</hlevel>
            <item_name>Adrenal cortical steroids</item_name>
            <item_key>\\i2b2_MEDS\i2b2\Medications\MUL\(LME148) hormones\(LME149) adrenal cortical steroids\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>medications \ hormones \ adrenal cortical steroids</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
</ns4:query_definition>

```

I want to find all instances of the medication "Adrenal cortical steroids" within the i2b2 database, with any timing, specificity scale set to 0, and a panel accuracy scale of 100. This query will search for the medication under the category of hormones, within the broader category of medications, and the search will not be inverted. The query will have a specificity scale of 0, indicating that any occurrence of the term will be considered a match, and the panel accuracy scale of 100 indicates a high level of confidence in the results.