You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[2-(furan-2-yl)ethyl]-1-(1-methoxypropan-2-yl)-3-(1,2,3,4-tetrahydronaphthalen-2-yl)guanidine into molecular formula.
user
C21H29N3O2
assistant