You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 2,6-dichloro-N-[(3-chloro-4-methoxyphenyl)methyl]thieno[2,3-d]pyrimidin-4-amine using the IUPAC nomenclature.
user
C14H10Cl3N3OS
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