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-[(3S)-2,3-dihydro-1,4-benzodioxin-3-yl]-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]acetic acid .
user
C18H15N3O4S
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