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system
Name the molecular formula for the molecule established as 1-(6,7-dihydro-5H-pyrrolo[2,1-c][1,2,4]triazol-3-ylmethyl)-3-[(1S)-1-(2-fluorophenyl)ethyl]-1-methylurea using the IUPAC nomenclature.
user
C16H20FN5O
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