Using Cc1nc(-c2cc(-c3cnn(C4CCN(C(=O)OC(C)(C)C)CC4)c3)cnc2N)cc2ccccc12 to produce Cc1nc(-c2cc(-c3cnn(C4CCNCC4)c3)cnc2N)cc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.