Using CCOC(=O)C(=CNc1ccc(F)c(F)c1OCC(C)O)C(=O)OCC to produce CCOC(=O)C(=CN1c2ccc(F)c(F)c2OCC1C)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.