Using CCn1c(=O)oc(=O)c2cnc(-c3ccccc3)nc21, CCOC(=O)CC(=O)OCC to produce CCOC(=O)c1c(O)c2cnc(-c3ccccc3)nc2n(CC)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.