The molecule with the SMILES representation of O=c1cccc2n1C[C@@H]1CNC[C@H]2C1 shows no carcinogenic effects.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} {carcinogen#no &NULL}{carcinogen__names__adjective} {#properties|effects!}.