You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-4-[(E)-[(10R,11R,12Z,17Z,19Z,21S)-21-hydroxy-11,19-dimethyl-2,8,14-trioxo-10-propan-2-yl-9,26-dioxa-3,15,28-triazatricyclo[23.2.1.03,7]octacosa-1(27),6,12,17,19,25(28)-hexaen-23-ylidene]amino]oxy-2-(hydroxymethyl)-3-oxobutanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H42N4O11
assistant