Using COc1ccc(C(C)=O)cc1, O=C(O)c1ccc(Cl)nc1Cl to produce COc1ccc(C(=O)Cc2nc(Cl)ccc2C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.