Using CNCc1cccc2c1C(=O)N(C1CCC(=O)NC1=O)C2=O, Cc1ccc(N=C=O)cc1C to produce Cc1ccc(NC(=O)N(C)Cc2cccc3c2C(=O)N(C2CCC(=O)NC2=O)C3=O)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.