As shown in the figure, the ARP broadcast suppression function is enabled in the BD20 domain on VTEP1, and VTEP1 has learned the ARP information of PC2 through the BGP EVPN route. When the ARP request sent by PC1 for PC2 is forwarded by VIEP1 to VIEP2, which of the following is the destination MAC address of the inner data frame?

{} [+]