Using CCOC(=O)c1ccc(N)cc1, CC(=O)Nc1nc(N(C(C)=O)C(C)=O)c(CCC=O)c(=O)[nH]1 to produce CCOC(=O)c1ccc(NCCCc2c(N(C(C)=O)C(C)=O)nc(NC(C)=O)[nH]c2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.