You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(2-hydroxypropyl)-2-[12-[4-(methylamino)cyclohexyl]oxy-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(12),2(6),8,10-tetraen-3-yl]acetamide by IUPAC nomenclature, provide its molecular formula.
user
C21H30N4O3S
assistant