Using CCn1c(-c2nonc2N)nc2cncc(Br)c21, O=C(O)c1ccc(B(O)O)cc1 to produce CCn1c(-c2nonc2N)nc2cncc(-c3ccc(C(=O)O)cc3)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.