Is there a file that tells which version of Storyline was used to publish the content?

We are trying to identify Storyline 1, 2 and 3 courses.  Currently we are using AICC as the output option.  I was looking at the contents of course.crs and it does show courses that were published in Storyline 2 - Course_System=Articulate Storyline 2, but for Storyline 1 and 3 it has Course_System=Articulate Storyline with no number.  Is there another file that contains the version.  I am using Notepad++ to search our content. 

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