Using Cc1cc(C=O)c(Cl)nc1-c1ccccc1, O=C1C=CCC1 to produce Cc1cc(C(O)C2=CCCC2=O)c(Cl)nc1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.