You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the SMILES notation of the molecule 2-methylpropyl (6R)-6-(4-chlorophenyl)-8-methyl-4-oxo-3,6-dihydro-2H-pyrimido[2,1-b][1,3]thiazine-7-carboxylate ?
user
CC1=C(C(=O)OCC(C)C)C(C2=CC=C(Cl)C=C2)N2C(=O)CCSC2=N1
assistant