Using C[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H]2Cc3ccc(N=C(c4ccccc4)c4ccccc4)cc3N21 to produce C[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H]2Cc3ccc(N)cc3N21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.