Using CC(=O)OCc1cc(-c2cnc(Nc3ccc(N4CCN(C(C)C)CC4)cc3)c3ncnn23)ccn1 to produce CC(C)N1CCN(c2ccc(Nc3ncc(-c4ccnc(CO)c4)n4ncnc34)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.