The molecule with the SMILES COc1cc(/C=C/C(=O)N2CCC=CC2=O)cc(OC)c1OC displays no carcinogenic effects.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} {carcinogen#no &NULL}{carcinogen__names__adjective} {#properties|effects!}.