You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5,6-dimethylacenaphthylene;1,5-dimethylanthracene;1,8-dimethylanthracene;9,10-dimethylanthracene;1,3-dimethylnaphthalene;1,4-dimethylnaphthalene;1,5-dimethylnaphthalene;1,6-dimethylnaphthalene;1,7-dimethylnaphthalene;1,8-dimethylnaphthalene;2,3-dimethylnaphthalene;2,6-dimethylnaphthalene;2,7-dimethylnaphthalene;1,8-dimethylphenanthrene;2,7-dimethylphenanthrene;3,6-dimethylphenanthrene;9,10-dimethylphenanthrene;2,9-dimethyl-1,10-phenanthroline;2,8-dimethylquinoline;2,7-dimethyltriphenylene;1,2-xylene;1,3-xylene;1,4-xylene by IUPAC nomenclature, provide its molecular formula.
user
C303H287N3
assistant