Task: Please answer the following question about the molecule with SMILES CCOc1ccc(-c2nn3ncccc3c2-c2ccc(S(C)(=O)=O)cc2)cc1.
Description: Please provide a description of this drug's mechanism of action.
Completion: Cyclooxygenase-2 inhibitor
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
CCOc1ccc(-c2nn3ncccc3c2-c2ccc(S(C)(=O)=O)cc2)cc1
CCOc1ccc(-c2nn3ncccc3c2-c2ccc(S(C)(=O)=O)cc2)cc1
2-(4-ethoxyphenyl)-3-(4-methylsulfonylphenyl)pyrazolo[1,5-b]pyridazine
Please provide a description of this drug's mechanism of action.