Using COC(=O)CCc1ccc(Cn2cccn2)cc1C#CCCCc1ccccc1 to produce O=C(O)CCc1ccc(Cn2cccn2)cc1CCCCCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.