Using C#CC(C)O, O=C(NOC(=O)Oc1ccccc1)Oc1ccccc1 to produce C#CC(C)N(OC(=O)Oc1ccccc1)C(=O)Oc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.