Using CCOC(=O)C(C(=O)OCC)c1ccc(CN2CCN(C(=O)OCc3ccccc3)[C@@H](C)C2)cc1 to produce C[C@H]1CN(Cc2ccc(CC(=O)O)cc2)CCN1C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.