Perfume Center of America Inc., a Plainview-based wholesale distributor and online retailer of fragrances, plans to move next month into a $45 million solar-powered facility in Ronkonkoma. The company's new 220,000-square-foot headquarters at 2020 Ocean Ave. will house about 100 employees and boast Long Island's second-largest, privately owned commercial solar installation, according to PSEG. Perfume Center currently has three facilities on Long Island and wants the new site