A DMCA takedown request requires "Identification of the material that is claimed to be infringing or to be the subject of infringing activity and that is to be

A DMCA takedown request requires "Identification of the material that is claimed to be infringing or to be the subject of infringing activity and that is to be removed or access to which is to be disabled, and information reasonably sufficient to permit the service provider to locate the material." Generally, this means that the company submitting the takedown provides a specific list of URLs with infringing content. They can't just say "videos infringing on x exist on your site, go find them", and the safe harbor provision of the DMCA means that Google isn't responsible for hunting down infringement on their own.