Using COc1cc2c(c(Cl)c1Cl)C(=O)C(CCCCl)(CCC(C)=O)C2 to produce COc1cc2c(c(Cl)c1Cl)C1=CC(=O)CCC1(CCCCl)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.