There is no translation since it is total nonsense. There is no word "nonest" in Latin; if it is trying to say non est (he, she or it is not, or there is not), it can not be placed after est (he, she...
God is love is the English equivalent of 'Deus amor est'. In the word by word translation, the noun 'Deus' means 'God'. The noun 'amor' means 'love'. The verb 'est' means '[he/she/it] is'.