Using CCCCCCCCCCOc1cc(OCCCCCCCCCC)cc(C(=O)OC)c1 to produce CCCCCCCCCCOc1cc(OCCCCCCCCCC)cc(C(=O)O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.