Using COc1cccc(-c2cnc(-c3ccnc(N4CCN(C(C)C)CC4)c3)[nH]2)c1 to produce CC(C)N1CCN(c2cc(-c3ncc(-c4cccc(O)c4)[nH]3)ccn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.