Using NC(N)=O, CCOC(=O)CC(NC(=O)CNC(=O)c1cccc(N)c1)c1cccnc1 to produce NC(=O)Nc1cccc(C(=O)NCC(=O)NC(CC(=O)O)c2cccnc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.