Using C=CC(C)(CCC=C(C)C)OC(=O)c1ccccc1C(=O)OC(C)(C=C)CCC=C(C)C to produce O=C(O)c1ccccc1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.