Using CCOC(=O)Cc1ccccc1, COc1cc(OC)c(N=C=O)c(OC)c1 to produce CCOC(=O)C(C(=O)Nc1c(OC)cc(OC)cc1OC)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.