Using O=C(Cl)c1ccc(Cl)cc1, CC(=O)OCCn1c(C)ccc1C to produce CC(=O)OCCn1c(C)cc(C(=O)c2ccc(Cl)cc2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.