Question: Please describe this drug.
Constraint: The Compound has the SMILES [Mg+2].
Result: Magnesium cation is a Calculi Dissolution Agent and Osmotic Laxative. The mechanism of action of magnesium cation is as a Magnesium Ion Exchange Activity and Osmotic Activity. The physiologic effect of magnesium cation is by means of Inhibition Small Intestine Fluid/Electrolyte Absorption and Increased Large Intestinal Motility and Stimulation Large Intestine Fluid/Electrolyte Secretion and Inhibition Large Intestine Fluid/Electrolyte Absorption.
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
[Mg+2]
[Mg+2]
magnesium(2+)
Please describe this drug.