CYP3A4 is a liver enzyme that metabolises many medications.
It metabolises Daclatasvir and foods, medications and supplements that impact on the function (particularly inhibit) CYP3A4 should not be taken by patients taking Daclatasvir.
You will find lists of CYP3A4 inhibitors here:
https://liferaftgroup.org/long-list-of-inhibitors-and-inducers-of-cyp3a4-and-cyp2d6/