Using COCCOCOc1c(I)cc(C=O)cc1I, OB(O)c1ccccc1 to produce COCCOCOc1c(-c2ccccc2)cc(C=O)cc1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.