"(b) (1) A nursing home license may be renewed biennially after (A) an unscheduled inspection conducted by the department, (B) submission of the information required by subsections (a), [and] (c) and (d) of section 19a-491a, as amended by this act, and any other information required by the commissioner pursuant to subsection (b) of said section, and (C) submission of evidence satisfactory to the de" . . . .