Using COC(=O)COc1ccc(SCC=C(c2ccc(Br)cc2)c2ccc(Br)cc2)cc1C to produce Cc1cc(SCC=C(c2ccc(Br)cc2)c2ccc(Br)cc2)ccc1OCC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.