You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 3-[2-[[3-[(5-methylthiophen-2-yl)methyl]phenyl]methyl]tetrazol-5-yl]pyridin-2-amine using the IUPAC nomenclature.
user
C19H18N6S
assistant