You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 5-[3-[4-[2-[1-(2-chlorophenyl)ethoxy]-2-oxoethyl]-3-methyl-1,2-oxazol-5-yl]phenyl]pyridine-2-carboxylic acid .
user
C26H21ClN2O5
assistant