Using C#CCCl, O=C(NC(CC1C(=O)Nc2ccccc21)C(=O)O)c1ccc(Cl)cc1 to produce C#CCN1C(=O)C(CC(NC(=O)c2ccc(Cl)cc2)C(=O)O)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.