Using Cc1nc2ccc(NCc3cccc(C(F)(F)F)c3)cc2n(CCC(=O)O)c1=O, NCCO to produce Cc1nc2ccc(NCc3cccc(C(F)(F)F)c3)cc2n(CCC(=O)NCCO)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.