Using COC(=O)CCCCC(Cc1ccc(-n2ccnc2)cc1)C1=C(C)C(=O)C(C)=C(C)C1=O to produce CC1=C(C)C(=O)C(C(CCCCC(=O)O)Cc2ccc(-n3ccnc3)cc2)=C(C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.