Using CCO, CCC(CC)c1cccc(C[C@@H]2N[C@@H](c3ccccc3)[C@@H](c3ccccc3)OC2=O)c1 to produce CCCCCc1cccc(C[C@H](N)C(=O)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.