Question: Isomorphism between lie algebras

Given two sets of lie algebra data, How to check, using maple software, that these lie algebras are isomorphic?

for example : 

The two sets of lie algebras are given as : L1 := [[e1, e4] = e1, [e2, e3] = e1, [e2, e4] = e2]

and

L2 := [[e1, e2] = e1].

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