Using COCCOS(=O)(=O)C(F)(F)F, CC(=O)N1c2c(ccn3cc(C)nc23)[C@@H](O)[C@H](OC(=O)C(C)(C)C)[C@H]1c1ccccc1 to produce COCCO[C@@H]1c2ccn3cc(C)nc3c2N(C(C)=O)[C@H](c2ccccc2)[C@H]1OC(=O)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.