Using OC(O)(Cc1ccccc1Br)c1cccnc1, CC(C)(C)C=O to produce CC(C)(C)C1OC(c2cccnc2)C(c2ccccc2Br)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.