Q: Is this molecule characterized by a small molecular structure or a protein sequence?
 The Compound can be represented with the SMILES O=C([O-])CC(O)(CC(=O)[O-])C(=O)[O-].O=C([O-])CC(O)(CC(=O)[O-])C(=O)[O-].[Mg+2].[Mg+2].[Mg+2].
Result: It has a small molecule structure.
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
O=C([O-])CC(O)(CC(=O)[O-])C(=O)[O-].O=C([O-])CC(O)(CC(=O)[O-])C(=O)[O-].[Mg+2].[Mg+2].[Mg+2]
O=C([O-])CC(O)(CC(=O)[O-])C(=O)[O-].O=C([O-])CC(O)(CC(=O)[O-])C(=O)[O-].[Mg+2].[Mg+2].[Mg+2]
trimagnesium;2-hydroxypropane-1,2,3-tricarboxylate
Is this molecule characterized by a small molecular structure or a protein sequence?
It has a small molecule structure.