You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [2-[(3-cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)amino]-2-oxoethyl] 1-phenylcyclopropane-1-carboxylate into its molecular formula.
user
C22H22N2O3S
assistant