You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-[(2,3-dimethyl-1-prop-2-enylpyrrolo[2,3-c]pyridin-7-yl)methyl]-1-(4-fluorophenyl)-3-propylthiourea .
user
C23H27FN4S
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