Using C=CC(=O)OC(C)(C)C, COC(=O)CNc1ccc(Br)cn1 to produce COC(=O)CNc1ccc(/C=C/C(=O)OC(C)(C)C)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.