Using COc1ccc(Cn2c(=O)oc(=O)c3cc(F)cnc32)cc1, CCOC(=O)CC(=O)OCC to produce CCOC(=O)c1c(O)c2cc(F)cnc2n(Cc2ccc(OC)cc2)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.