You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-[[4-[3-chloro-4-(1,3-thiazol-2-ylmethoxy)anilino]quinazolin-5-yl]oxymethyl]piperidin-1-yl]-2-hydroxyethanone;methanesulfonyl chloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H29Cl2N5O6S2
assistant