Using Cc1cccc(C(=O)CBr)c1, COC(=O)c1ccc(OC)c(O)c1 to produce COC(=O)c1ccc(OC)c(OCC(=O)c2cccc(C)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.