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-[[5-(1a,2,3,7b-tetrahydro-1H-cyclopropa[a]naphthalen-1-yl)-1,3,4-oxadiazol-2-yl]sulfanyl]acetic acid .
user
C15H14N2O3S
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