Using COC(=O)CCCCCCN, CC(=O)SCC(Cc1ccccc1)C(=O)O to produce COC(=O)CCCCCCNC(=O)C(CSC(C)=O)Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.