Using COC(=O)c1ccc(Nc2c(C(=O)NOCCO)ccc(F)c2F)cc1 to produce O=C(O)c1ccc(Nc2c(C(=O)NOCCO)ccc(F)c2F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.