Using OC1CCC2(CCCCC2)CC1, COC(=O)c1ccc2cc(O)ccc2c1 to produce COC(=O)c1ccc2cc(OC3CCC4(CCCCC4)CC3)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.