IUPAC: methyl (2E)-2-[(3R,6'R,7'S,8'aS)-6'-ethyl-2-oxo-1,2,3',5',6',7',8',8'a-octahydro-2'H-spiro[indole-3,1'-indolizin]-7'-yl]-3-methoxyprop-2-enoate

SMILES: CC[C@H]1CN2CC[C@@]3([C@@H]2C[C@@H]1\C(=C/OC)C(=O)OC)C(=O)Nc1ccccc31