Using CC(=O)OI1(OC(C)=O)(OC(C)=O)OC(=O)c2ccccc21, C/C(=C\CO)c1cccc(Br)c1 to produce CC=C(C=O)c1cccc(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.