Using CCNC(=O)NCC, CCOC(=O)CC(=O)c1ccc(OC)c(OC)c1 to produce CCn1c(-c2ccc(OC)c(OC)c2)cc(=O)n(CC)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.