Using CC(C)(C)OCCON, Cn1c(=O)cc(Nc2ccc(I)cc2F)c2c(=O)[nH]cnc21 to produce Cn1c(=O)cc(Nc2ccc(I)cc2F)c2c(=O)n(OCCOC(C)(C)C)cnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.