The complex cis [CoCl(NH3)(NH2CH2CH2NH2)2]2+ has an octahedral geometry. What is the name of this complex ion according to IUPAC?

cis-chloroammineethylenediamine cobalt (II) ion cis - amminechloroethylenediamine cobalt (III) ion cis-amminechlorobis(ethylenediamine) cobalt(II) ion cis-amminechlorobis(ethylenediamine) cobalt(III) ion

cis-amminechlorobis(ethylenediamine) cobalt(III) ion

cis [CoCl(NH3)(NH2CH2CH2NH2)2]2+ : cis-amminechlorobis(ethylenediamine) cobalt(III) ion