please help replacement

How do I do replacement
This original
Z:\Ep01 [FHD].mp4
Z:\Ep02 [FHD].mp4
Z:\Ep03 [FHD].mp4
Z:\Ep04 [FHD].mp4
Z:\Ep05 [FHD].mp4
But I want to replace it (Without deleting crc unicode)
E:\Ep01 [FHD][18997B14].mp4
E:\Ep02 [FHD][2B2B1D99].mp4
E:\Ep03 [FHD][6FF24BF4].mp4
E:\Ep04 [FHD][1BD80664].mp4
E:\Ep05 [FHD][23FBDC6E].mp4

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