Using CC(C)(C)OC(=O)N1CCCc2cc(-c3cncc(C=CCS(C)(=O)=O)c3)cnc21 to produce CC(C)(C)OC(=O)N1CCCc2cc(-c3cncc(CCCS(C)(=O)=O)c3)cnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.