You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[2-(2,3-dihydro-1-benzofuran-5-yl)ethyl]-2-[2-(3,4-dihydro-2H-quinolin-1-yl)-2-oxoethyl]-3-ethylguanidine by IUPAC nomenclature, provide its molecular formula.
user
C24H30N4O2
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