Using COC(=O)C[C@@H](C(=O)OC)N(Cc1ccccc1)c1cccc2c1C(c1ccccc1)c1ccccc1-2, CCOS(=O)(=O)C(F)(F)F to produce CCC(C(=O)OC)[C@@H](C(=O)OC)N(Cc1ccccc1)c1cccc2c1C(c1ccccc1)c1ccccc1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.