You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[[4-[[(6R)-2-amino-4-oxo-5,6,7,8-tetrahydro-3H-pteridin-6-yl]methylamino]benzoyl]amino]pentanedioic acid;sulfuric acid by IUPAC nomenclature, provide its molecular formula.
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C19H25N7O10S
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