Task: Answer the following question about the molecule with SMILES O=S(=O)([O-])CCS.[Na+].
Request: Is it known whether this drug is applied topically?
Result: No
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
O=S(=O)([O-])CCS.[Na+]
O=S(=O)([O-])CCS.[Na+]
sodium;2-sulfanylethanesulfonate
Is it known whether this drug is applied topically?