Using CCO, CC(C)(CC1Cc2ccccc2C1)NC[C@@H](O)COc1cc(CCC(=O)O)cc(F)c1F to produce CCOC(=O)CCc1cc(F)c(F)c(OC[C@H](O)CNC(C)(C)CC2Cc3ccccc3C2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.