You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
S-methyl 2-methyl-2-[(7Z,9E,13E)-2,12,14-trimethyl-11,19,20-trioxo-4,20lambda4-dithia-1,21-diazatricyclo[15.2.1.13,6]henicosa-3(21),5,7,9,13-pentaen-17-yl]propanethioate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H32N2O4S3
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