You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl (2S,3R)-3-hydroxy-2-[[4-[(Z)-4-[4-(morpholin-4-ylmethyl)phenyl]but-1-en-3-ynyl]benzoyl]amino]butanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H30N2O5
assistant