Using Cn1nc(C(C)(C)C)c(Br)c1NC(=O)OC(C)(C)C, OB(O)c1cccnc1 to produce Cn1nc(C(C)(C)C)c(-c2cccnc2)c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.