Using Cn1cc(B2OC(C)(C)C(C)(C)O2)ccc1=O, Cc1ccc2nc(-c3nc(Br)cnc3N)[nH]c2c1 to produce Cc1ccc2nc(-c3nc(-c4ccc(=O)n(C)c4)cnc3N)[nH]c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.