This represents a clean, un-headered dump of the original SNES cartridge. It is the modern standard for emulation because it matches the exact byte-for-byte data of the physical hardware.
This format includes a 512-byte header prepended to the ROM data. These headers were used by old physical hardware backup devices but are generally unnecessary for modern software. .sfc (Super Famicom): smc to sfc converter
You cannot copy-paste the level. You must look at the SMW level as a blueprint. This represents a clean, un-headered dump of the
aitorciki/super-beheader: Remove copier headers ... - GitHub This represents a clean