The molecule with the SMILES representation of CO[C@H]1C=C2CCN(C)[C@H]2C2c3cc4c(cc3C(=O)O[C@@H]21)OCO4 shows no carcinogenic effects.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} {carcinogen#no &NULL}{carcinogen__names__adjective} {#properties|effects!}.