Using COC(=O)CCC1(C)CCc2cc(O)c3c(c2O1)C1CCCC3CC1 to produce CC1(CCCO)CCc2cc(O)c3c(c2O1)C1CCCC3CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.