Using CCCCC1(CCC(=O)CC)Cc2c(ccc(OC)c2Cl)C1=O to produce CCCCC12CCC(=O)C(C)=C1c1ccc(OC)c(Cl)c1C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.