Using Cc1ccc2cnc(-c3cc(-c4cnn(C5CCN(C(=O)OC(C)(C)C)CC5)c4)cnc3N)cc2c1, ClCCl to produce Cc1ccc2cnc(-c3cc(-c4cnn(C5CCNCC5)c4)cnc3N)cc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.