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 3-chloro-N-[2-(1,3-dioxoisoindol-2-yl)-1-phenylethyl]-11-thia-5,6-diazatricyclo[8.3.0.02,6]trideca-1(10),2,4,12-tetraene-12-carboxamide .
user
C27H21ClN4O3S
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