Using O=[N+]([O-])c1c(F)cc(F)cc1Nc1ccc(I)cc1F, CC(C)(C)OC(=O)Nc1cccc(O)c1 to produce CC(C)(C)OC(=O)Nc1cccc(Oc2cc(F)cc(Nc3ccc(I)cc3F)c2[N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.