You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 6-(4-methoxyphenyl)-3-[(5-methyl-2-thiophen-2-yl-1,3-oxazol-4-yl)methyl]thieno[3,2-d]pyrimidin-4-one ?
user
C22H17N3O3S2
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