Using CCOC(=O)c1ccc(Oc2ccc(B3OC(C)(C)C(C)(C)O3)c(C=O)c2)cc1OC to produce CCOC(=O)c1ccc(Oc2ccc(B3OC(C)(C)C(C)(C)O3)c(CO)c2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.