Using COC(=O)CC(O)c1c(COc2ccc(Cl)cc2Cl)n(C)c2ccccc12 to produce Cn1c(COc2ccc(Cl)cc2)c(C=CC(=O)O)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.