If you ventilate a solvent storage cabinet you lose the fire rating and it is no longer approved storage.
Unless you are using an FM-approved thermally-actuated damper such as Justrite's Safe-T-Vent™ on a Justrite cabinet. Disclaimer: my company is a Justrite distributor.
See
https://www.safetyemporium.com/j-25777 and the two download links in the third paragraph of the product description, one for the product, and the other for a general discussion of safety cabinet venting.
Best wishes,
Rob Toreki
Surgical grade US-Made FDA/NIOSH N95 just 64 cents each: https://www.safetyemporium.com/11192