Using CCCCCCC(C)(C)c1cc(OC)c(C2=C[C@@H]3CC[C@@]2(C(=O)OC)C3(C)C)c(OC)c1 to produce CCCCCCC(C)(C)c1cc(OC)c(C2=C[C@@H]3CC[C@@]2(C(=O)O)C3(C)C)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.