Using CC(C)n1cc(-c2cc(-c3ccc4c(ccn4C)c3)cnc2N)nn1 to produce CC(C)n1cc(-c2cc(-c3ccc4c(c3)CCN4C)cnc2N)nn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.