Using O, CCC(C)(C)c1cc(C(=O)c2ccccc2)c(O)cc1O to produce CCC(C)(C)c1cc(C(=O)c2ccccc2)c(O)cc1CCCCCC(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.