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 ethyl 4-[[(1R)-1-[3-amino-5-(trifluoromethyl)phenyl]prop-2-enyl]amino]-2-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidine-6-carboxylate .
user
C21H23F3N4O2
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