Using N=C(N)N, CCOC(=O)COc1ccc2c(c1)CC(NC[C@H](O)COc1ccccc1)CCC2 to produce N=C(N)NC(=O)COc1ccc2c(c1)CC(NC[C@H](O)COc1ccccc1)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.