Using CCOC(=O)c1cccc(I)c1, OB(O)c1ccc(OCc2ccccc2)cc1 to produce CCOC(=O)c1cccc(-c2ccc(OCc3ccccc3)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.