Using O=C(Cl)c1ccccc1, CCCc1cc(Cl)c2occ(C)c2c1O to produce CCCc1cc(Cl)c2oc(C(=O)c3ccccc3)c(C)c2c1OC(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.