Caitanya-caritāmṛta 12.8
śivānanda-sena āra ācārya-gosāñi navadvīpe saba bhakta hailā eka ṭhāñi
[shivaananda-sena aara aachaarya-gosaani navadveepe saba bhakta hailaa eka thaani]
Blended reading (Sanskrit + English inline)
śivānanda-sena āra ācārya-gosāñi navadvīpe saba bhakta hailā eka ṭhāñi
Headed by Śivānanda Sena, Advaita Ācārya and others, all the devotees assembled in Navadvīpa.
My note
Source: vedabase.io