Using COC(=O)c1cccc2c(C(=O)C(=O)N3CCN(C(=O)c4ccccc4)C[C@H]3C)c[nH]c12 to produce C[C@@H]1CN(C(=O)c2ccccc2)CCN1C(=O)C(=O)C1CNc2c(C(=O)O)cccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.