You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-(3,4-dimethoxyphenyl)ethyl]-5,5,13-trimethyl-6-oxa-17-thia-2,12,14-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1,3(8),9,11,13,15-hexaen-15-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H28N4O3S
assistant