SMILES: C1C(=O)OC(=N1)C2=CC=CC=C2
Description: The molecule is a 1,3-oxazole having a phenyl substituent at the 2-position and an oxo group at the 5-position. Note that phenyloxazolone is commonly used as a synonym for 4-(ethoxymethylene)-2-phenyloxazol-5-one (PhOx).