When I do a batch plot, I get a long file name. Ex: [MP] Pos B2 Sheet 176-A.dwg and when I make a pdf I get "[MP] Pos B2 Sheet 176-A.dwg.pdf" or my sheet numbers I will get say 1-A.dwg and the part number is C24.  Is there a way to change that without going into each drawing, to say for B2 Sheet 176-A, to be just B2.dwg? And for say the sheets 1-A.dwg to be C24.dwg?

Basically I want the MP to be the file name.