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README.md

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 A pivotal challenge in metabolite research is the structural annotation of metabolites from tandem mass spectrometry (MS/MS) data. The integration of artificial intelligence (AI) has revolutionized the interpretation of MS data, facilitating the identification of elusive metabolites within the metabolomics landscape. Innovative methodologies are primarily focusing on transforming MS/MS spectra or molecular structures into a unified modality to enable similarity-based comparison and interpretation. Here we present CMSSP, a novel Contrastive Mass Spectra-Structure Pre-training framework designed for the annotation of metabolites. The primary objective of CMSSP is to establish a representation space that facilitates direct comparison between MS/MS spectra and molecular structures, transcending the limitations of distinct modalities.
 
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 ## Requirements