Using CC(C)C[C@@H](C(=O)N[C@H]1Cc2cn(c3ccccc23)CCCCCCNC1=O)C(C)C(=O)OC(C)(C)C to produce CC(C)C[C@@H](C(=O)N[C@H]1Cc2cn(c3ccccc23)CCCCCCNC1=O)C(C)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.