Using O=C(O)C=Cc1cn(-c2ccccc2)nc1-c1ccc(Cl)cc1 to produce O=C(O)CCc1cn(-c2ccccc2)nc1-c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.