Using CC(C)(C)C(=O)CC#N, COc1cc(NN)ccc1C(=O)O to produce COc1cc(-n2nc(C(C)(C)C)cc2N)ccc1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.