Using N=C(N)n1cccn1, CCNC(=O)c1ccc(-c2ccc(-c3ccccc3)n2CC(=O)O)cc1 to produce CCNC(=O)c1ccc(-c2ccc(-c3ccccc3)n2CC(=O)NC(=N)n2cccn2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.