Using COC(=O)c1cc(-c2ccccc2)c(-c2ccc(Cl)cc2)nc1OC to produce COc1nc(-c2ccc(Cl)cc2)c(-c2ccccc2)cc1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.