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'-(6-dibenzothiophen-4-yl-2-phenylpyrimidin-4-yl)-6'-phenylspiro[fluorene-9,9'-thiochromeno[3,2-k]phenanthridine];2'-(4-dibenzothiophen-4-yl-6-phenyl-1,3,5-triazin-2-yl)-6'-phenylspiro[fluorene-9,9'-thiochromeno[3,2-k]phenanthridine] .
user
C119H69N7S4
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