Caitanya-caritāmṛta 17.318
pañcame ‘śrī-nityānanda’-tattva nirūpaṇa nityānanda hailā rāma rohiṇī-nandana
[panchame ‘shree-nityaananda’-tattva niroopana nityaananda hailaa raama rohinee-nandana]
Blended reading (Sanskrit + English inline)
pañcame ‘śrī-nityānanda’-tattva nirūpaṇa nityānanda hailā rāma rohiṇī-nandana
The fifth chapter describes the truth of Lord Nityānanda Prabhu, who is none other than Balarāma, the son of Rohiṇī.
My note
Source: vedabase.io