Ramelteon is a hypnotic agent used in the treatment of insomnia: (a) What is the molecular formula of this compound? (b) How many sp3-hybridized carbon atoms are present in this structure? (c) How many sp2-hybridized carbon atoms are present in this structure? (d) How many sp-hybridized carbon atoms are present in this structure? (e) How many lone pairs are present in this structure? (f ) Identify each lone pair as localized or delocalized. (g) Identify the geometry of each atom (except for hydrogen atoms).