Using COCCOCCBr, CCOC(=O)c1c[nH]c(=O)cc1Nc1ccc(I)cc1F to produce CCOC(=O)c1cn(CCOCCOC)c(=O)cc1Nc1ccc(I)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.