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system
Name the molecular formula for the molecule established as (17S,18S)-18-(2-carboxyethyl)-12-ethenyl-20-(2-ethoxy-2-oxoethyl)-7-ethyl-3,8,13,17-tetramethyl-17,18,22,23-tetrahydroporphyrin-2-carboxylic acid using the IUPAC nomenclature.
user
C36H40N4O6
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