You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[7-methoxy-2-(methoxymethyl)-6-[(3S)-oxolan-3-yl]oxyquinazolin-4-yl] 2,4,6-tri(propan-2-yl)benzenesulfonate is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H40N2O7S
assistant