Using CCOC(=O)/C=C\C(=O)OCC, CCOC(=O)C(C(=O)NCc1ccccc1)=C1SC=CS1 to produce CCOC(=O)C1C(=O)C(=C2SC=CS2)C(=O)N(Cc2ccccc2)C1C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.