I would like to change Savannah monitor lizard for snake

Hello, i would like to change my savannah monitor lizard for snakes. He Is 10 months. He eat 1 days old chicken or cricket and he Is 55 cm long. I would like to change him for one of this
1x Euprepiophis mandarinus
2x Heterodon nascius
1-2x Oreocryptophis porphyraceus
1x Drymarchon couperi
1.2 Goniurosaurus hainanensis
1-2x Zamenis persica
ONLY CZ!