Using O=C(O)c1ccc(C(Nc2ccc(-n3cnc(C(F)(F)F)c3)nc2)C2CC(F)(F)C2)cc1, CCOC(=O)CCN to produce CCOC(=O)CCNC(=O)c1ccc(C(Nc2ccc(-n3cnc(C(F)(F)F)c3)nc2)C2CC(F)(F)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.