You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please identify the SMILES representation of the molecule named 2-[2,4-dioxo-3-(2-phenylethyl)-4a,5,6,7,8,8a-hexahydropyrido[2,3-d]pyrimidin-1-yl]-N-(2-ethoxyphenyl)acetamide .
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