Using O=C(O)CCc1nc(-c2ccc(Cl)cc2)co1, CC(C)(O)c1ccccc1 to produce CC(C)(OC(=O)CCc1nc(-c2ccc(Cl)cc2)co1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.