You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 2-[(4-methoxyphenoxy)methyl]-N-methyl-N-[(1R)-1-(1,3-thiazol-2-yl)ethyl]-1,3-oxazole-4-carboxamide into molecular formula.
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C18H19N3O4S
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