Using COC(Cl)Cl, CCc1cc2c(c(CC)c1O)CCC1(CCC1)O2 to produce CCc1c(O)c(CC)c2c(c1C=O)OC1(CCC1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.