You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3-[4-(2,3-dichlorobenzoyl)-5-methylthieno[2,3-b]pyrrol-6-yl]propyl]methanesulfonamide;(2,3-dichlorophenyl)-[5-methyl-4-(2-morpholin-4-ylethyl)thieno[3,2-b]pyrrol-6-yl]methanone;(2,3-dichlorophenyl)-(5-methyl-4-propylpyrrolo[2,3-d][1,3]thiazol-6-yl)methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C54H52Cl6N6O6S4
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