You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-cyclopentyl-2-(2-methoxy-5-methyl-N-(2-thiophen-2-ylacetyl)anilino)-2-pyridin-4-ylacetamide .
user
C26H29N3O3S
assistant