User: I'm searching for the SMILES of a molecule that can be described as:
The molecule is dication of 1,4-diguanidinobutane arising from deprotonation of both guanidino groups; major species at pH 7.3. It is a conjugate acid of a 1,4-diguanidinobutane.
Assistant: This is a molecule that fits your description: NC(N)=[NH+]CCCC[NH+]=C(N)N
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that can be described {#by|as!}:
{description#}
Assistant: This is a molecule that fits {#your|this!} description: {SMILES#}
NC(N)=[NH+]CCCC[NH+]=C(N)N
diaminomethylidene-[4-(diaminomethylideneazaniumyl)butyl]azanium
The molecule is dication of 1,4-diguanidinobutane arising from deprotonation of both guanidino groups; major species at pH 7.3. It is a conjugate acid of a 1,4-diguanidinobutane.