You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the SMILES representation of the molecule (6S)-N-benzyl-8-heptyl-2-methyl-4,7-dioxo-6-propyl-3,6,9,9a-tetrahydropyrazino[2,1-c][1,2,4]triazine-1-carboxamide .
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