Using CC(C)(C)OC(=O)c1ccc(C2(O)C3CC4CC(C3)CC2C4)c(Cl)c1 to produce O=C(O)c1ccc(C2C3CC4CC(C3)CC2C4)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.