Using COC(=O)C1(N)CCCCCC1, CC(=O)c1ccc(C(=O)O)cc1O to produce COC(=O)C1(NC(=O)c2ccc(C(C)=O)c(O)c2)CCCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.