Using CCc1cc(N)c(C(=O)OC)c(CC)n1, CCOC(=O)CC(=O)OCC to produce CCOC(=O)c1c(O)c2c(CC)nc(CC)cc2[nH]c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.