You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (1Z)-1-(8-chloro-1-ethyl-[1]benzofuro[3,2-e][1,3]benzothiazol-2-ylidene)propan-2-one;(1Z)-1-(9-chloro-1-ethyl-[1]benzofuro[3,2-e][1,3]benzothiazol-2-ylidene)propan-2-one;(1Z)-1-(1-ethyl-7,8-dihydrofuro[3,2-e][1,3]benzothiazol-2-ylidene)propan-2-one;(1Z)-1-(1-ethyl-8,9-dimethyl-[1]benzofuro[3,2-e][1,3]benzothiazol-2-ylidene)propan-2-one;(1Z)-1-(1-ethylfuro[3,2-e][1,3]benzothiazol-2-ylidene)propan-2-one;(1Z)-1-(1-ethyl-8-methyl-[1]benzofuro[3,2-e][1,3]benzothiazol-2-ylidene)propan-2-one;(1Z)-1-(1-ethyl-9-methyl-[1]benzofuro[3,2-e][1,3]benzothiazol-2-ylidene)propan-2-one into molecular formula.
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C122H109Cl2N7O14S7
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