The five LMMs were given 3 different multi-spectra queries, for a total of 15 prompts. At the time of running experiments, GPT models were limited to 10 image uploads, 3.5 Sonnet was limited to 5 uploads, and Gemini 1.5 Pro was limited to 1 upload. Therefore multiple spectra were arranged into columns with other relevant information into a single large high resolution image. Prompt C spectra were rearranged to fit the manuscript. The high resolution images used for this detailed study (Prompts A -C) and supplementary (Prompts D-J) for a total of 10 images are found within the manuscript files. The supplementary file contains all ten prompts with spectra and generations for each of the 5 LMMs. A larger Prompt J with 21 pieces of information, including multiple 2D NMRs was also analyzed. Approximate LMM times were obtained using a digital stop watch.