Using Cn1cc(C(=O)CC(c2cccc(C(=O)O)c2)c2ccc(Cl)cc2F)ccc1=O, NCCO to produce Cn1cc(C(=O)CC(c2cccc(C(=O)NCCO)c2)c2ccc(Cl)cc2F)ccc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.