Using CCCC12CCC(=O)C=C1c1c(cc(OC)c(Cl)c1Cl)O2 to produce CCCC12CCC(=O)C=C1c1c(cc(O)c(Cl)c1Cl)O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.