Using NCc1ccc2c(c1)C(=O)N(C1CCC(=O)NC1=O)C2=O, CCCN=C=O to produce CCCNC(=O)NCc1ccc2c(c1)C(=O)N(C1CCC(=O)NC1=O)C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.