Using CC(=O)OC1CCN(CC(=O)NCCN2[C@H](C)CCC[C@@H]2C)C1=O to produce C[C@@H]1CCC[C@H](C)N1CCNC(=O)CN1CCC(O)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.