Using CCOC(=O)CC(c1ccccc1)n1ccc2cc(OCCON)ccc21, NC(=O)n1cccn1 to produce CCOC(=O)CC(c1ccccc1)n1ccc2cc(OCCONC(=N)N)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.