As many others have already said, CRP or ALC have the highest Red script reward, thus, fewest items to craft.
CRP - usually has Birch Rod or Birch Fishing Rod, the only remote annoying mat is Growth Formula Zeta on the Birch Rod because you have gather the Red Quartz yourself.
ALC - usually has the Nobel Codex or Nobel Gold, all mats can be gathered by a miner retainer.