You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (3aR,6aS)-N-(4-fluorophenyl)-4-(2-methoxyethyl)-5-oxo-3,3a,6,6a-tetrahydro-2H-pyrrolo[3,2-b]pyrrole-1-carboxamide .
user
C16H20FN3O3
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