Using CCOC(C)=O, COc1ccc(NC2=NN(c3ccccc3)CC2)cc1 to produce COc1ccc(N(C(C)=O)C2=NN(c3ccccc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.