Task: Please answer the following question about the molecule with SMILES O=C1NC(c2ccccc2)(c2ccccc2)C(=O)N1COP(=O)([O-])[O-].[Na+].[Na+].
Question: What is the molecular formula of this compound, including any salt that it may have?
Completion: C16H13N2Na2O6P
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
O=C1NC(c2ccccc2)(c2ccccc2)C(=O)N1COP(=O)([O-])[O-].[Na+].[Na+]
O=C1NC(c2ccccc2)(c2ccccc2)C(=O)N1COP(=O)([O-])[O-].[Na+].[Na+]
disodium;(2,5-dioxo-4,4-diphenylimidazolidin-1-yl)methyl phosphate
What is the molecular formula of this compound, including any salt that it may have?