Using CCOC(=O)N(C(C)=O)C1=C(NC(=O)OC)CSC1CCCCC(=O)N1CCCCC1 to produce CCOC(=O)NC1=C(NC(=O)OC)CSC1CCCCC(=O)N1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.