Using Cc1cc(-c2cc(F)cc(F)c2)cc(CNc2c(F)ccc(OCC(=O)OC(C)C)c2F)c1C to produce Cc1cc(-c2cc(F)cc(F)c2)cc(CNc2c(F)ccc(OCC(=O)O)c2F)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.