Using O=c1[nH]c2ccc(Cl)cc2c(=O)o1, O=C1CC(=O)CC(c2ccc(Cl)cc2Cl)C1 to produce O=C1CC(c2ccc(Cl)cc2Cl)Cc2[nH]c3ccc(Cl)cc3c(=O)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.