Using CCOC(C)=O, CCOC(=O)CC1SC2(CCN(CCC(=O)C(=O)OCC)CC2)N(CCc2ccccc2)C1=O to produce O=C(O)CCC(=O)N1CCC2(CC1)SC(CC(=O)O)C(=O)N2CCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.