You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1R)-2-(pent-4-enoylamino)-1-phenylethyl] (1S,2S,5R,6R,7R)-2-[(2,6-dimethylphenyl)-prop-2-enylcarbamoyl]-3-[(2R)-1-hydroxy-3-phenylpropan-2-yl]-4-oxo-10-oxa-3-azatricyclo[5.2.1.01,5]decane-6-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C43H49N3O7
assistant