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 2-(6,7-dihydro-5H-pyrrolo[2,1-c][1,2,4]triazol-3-ylmethyl)-1-[3-(3,5-dimethylpyrazol-1-yl)propyl]-3-ethylguanidine .
user
C17H28N8
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