Using O=C(O)c1cnn(Cc2nc(-c3cccc(/C=C/c4ccccc4)c3)cs2)c1 to produce O=C(O)c1cnn(Cc2nc(-c3cccc(CCc4ccccc4)c3)cs2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.