Using O=C1NC(=O)c2ccccc21, CC(O)C#Cc1ccc(Cl)cc1 to produce CC(C#Cc1ccc(Cl)cc1)N1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.