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 2-(5,6-dichloro-2-oxoquinolin-1-yl)-N-methyl-2-[methyl-[2-morpholin-4-yl-1-(4-phenylphenyl)ethyl]amino]-N-[2-morpholin-4-yl-1-(4-phenylphenyl)ethyl]acetamide .
user
C49H51Cl2N5O4
assistant