Using NOCCO, Cn1cc(C(=O)O)c(Nc2ccc(F)cc2F)cc1=O to produce Cn1cc(C(=O)NOCCO)c(Nc2ccc(F)cc2F)cc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.