The SMILES O=C1C[N+]([O-])=C(c2ccccc2)c2cc(Cl)ccc2N1 is not toxic in the SR-p53 assay.
The {#molecule |!}{SMILES__description} {SMILES#} is {toxicity_SR-p53#not &NULL}{toxicity_SR-p53__names__adjective}.