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system
Provide the molecular formula for the IUPAC named substance 2-(2,4-dichloro-5-methoxyphenyl)-7,7-dioxo-5,6,8,8a-tetrahydroimidazo[5,1-c][1,4]thiazine-1,3-dione .
user
C13H12Cl2N2O5S
assistant