Using COC(=O)CCNC(=O)c1ccc(C=O)cc1, Nc1ccc(C2CCCCC2)cc1 to produce COC(=O)CCNC(=O)c1ccc(CNc2ccc(C3CCCCC3)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.