Reaction SMILES: C(O)(=O)C1C=C[C:5]([C:6]([OH:8])=O)=CC=1.[N-]=C=O.[N-]=C=O.O=C1CC(C)(C)CC(C)=C1.[OH:29][C:30]1[CH:35]=[CH:34][C:33]([C:36]([C:39]2[CH:44]=[CH:43][C:42]([OH:45])=[CH:41][CH:40]=2)([CH3:38])[CH3:37])=[CH:32][CH:31]=1.C1OC1C.NCCCCCCN>>[OH:29][C:30]1[CH:31]=[CH:32][C:33]([C:36]([C:39]2[CH:40]=[CH:41][C:42]([OH:45])=[CH:43][CH:44]=2)([CH3:38])[CH3:37])=[CH:34][CH:35]=1.[CH2:6]1[O:8][CH2:5]1
Reactant: O=C(O)c1ccc(C(=O)O)cc1
Agent: CC(C)(c1ccc(O)cc1)c1ccc(O)cc1
Agent: CC1CO1
Agent: NCCCCCCN
Solvent: CC1=CC(=O)CC(C)(C)C1
Product: C1CO1

Procedure:
Specific examples of the urea-modified polyester resins include (1) a mixture of a urea-modified polyester prepolymer with isophoronediamine, which is formed from a reacting a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide and an isophthalic acid with isophoronediisocyanate; and a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide and an isophthalic acid, (2) a mixture of a urea-modified polyester prepolymer with isophoronediamine, which is formed from a reacting a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide and an isophthalic acid with isophoronediisocyanate; and a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide and a terephthalic acid, (3) a mixture of a urea-modified polyester prepolymer with isophoronediamine, which is formed from a reacting a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide/an adduct of bisphenol A with 2 moles of propyleneoxide and an terephthalic acid with isophoronediisocyanate; and a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide/an adduct of bisphenol A with 2 moles of propyleneoxide and a terephthalic acid, (4) a mixture of a urea-modified polyester prepolymer with isophoronediamine, which is formed from a reacting a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide/an adduct of bisphenol A with 2 moles of propyleneoxide and an terephthalic acid with isophoronediisocyanate; and a polycondensate of an adduct of bisphenol A with 2 moles of propyleneoxide and a terephthalic acid, (5) a mixture of aurea-modified polyester prepolymer with hexamethylenediamine, which is formed from a reacting a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide and an terephthalic acid with isophoronediisocyanate; and a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide and a terephthalic acid, (6) a mixture of a urea-modified polyester prepolymer with hexamethylenediamine, which is formed from a reacting a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide and an terephthalic acid with isophoronediisocyanate; and a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide/an adduct of bisphenol A with 2 moles of propyleneoxide and a terephthalic acid, (7) a mixture of a urea-modified polyester prepolymer with ethylenediamine, which is formed from a reacting a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide and an terephthalic acid with isophoronediisocyanate; and a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide and a terephthalic acid, (8) a mixture of a urea-modified polyester prepolymer with hexamethylenediamine, which is formed from a reacting a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide and an isophthalic acid with diphenylmethanediisocyanate; and a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide and an isophthalic acid, (9) a mixture of a urea-modified polyester prepolymer with hexamethylenediamine, which is formed from a reacting a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide/an adduct of bisphenol A with 2 moles of propyleneoxide and an terephthalic acid/dodecenylsuccinic acid anhydride with diphenylmethanediisocyanate; and a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide/an adduct of bisphenol A with 2 moles of propyleneoxide and a terephthalic acid, and (10) a mixture of a urea-modified polyester prepolymer with hexamethylenediamine, which is formed from a reacting a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide and an isophthalic acid with toluenediisocyanate; and a polycondensate of an adduct of bisphenol A with 2 moles of ethyleneoxide and an isophthalic acid.