Using CCOC(CN)OCC, Cc1ccc(C(=O)O)cc1-c1ccc(NC(=O)c2c(F)cccc2F)cc1 to produce CCOC(CNC(=O)c1ccc(C)c(-c2ccc(NC(=O)c3c(F)cccc3F)cc2)c1)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.