NOTICE OF EXPLORATORY MARKET CONSULTATION FOR THE INITIATION OF A NEGOTIATED PROCEDURE WITHOUT PRIOR PUBLICATION OF A CALL FOR TENDERS (Art. 76, Para. 2, Letter b) and Para. 2, Legislative Decree No. 36/2023) FOR THE AWARD OF THE SUPPLY, INSTALLATION, AND COMMISSIONING OF INSTRUMENTATION FOR THE TECHNOLOGICAL ENHANCEMENT OF THE MULTIMODAL AND CORRELATIVE MICROSCOPY PLATFORM AT CNR NANOTEC — PNC, PNRR, FIT4MEDROB, CUP B53C22006960001.