Using CC(C)(C)OC(=O)NCC(CO)c1cccc(C(F)(F)F)c1, CCN=C=O to produce CCNC(=O)OCC(CNC(=O)OC(C)(C)C)c1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.