User: Can you generate the SMILES of a molecule that is not penetrating the blood brain barrier?
Assistant: Yes, I'm happy to help, here you go: C[N+]1(C)CCC(OC(=O)C(O)(c2ccccc2)C2CCCC2)C1.[Br-]
User: Can you {#give me|create|generate!} the {SMILES__description} of a molecule that is {penetrate_BBB#not &NULL}{penetrate_BBB__names__adjective}?
Assistant: {#Yes|Of course|Sure|Yes, I'm happy to help!}, here you go: {SMILES#}