Using CC(C)(C)N1CCNCC1, CC(C)n1ncnc1-c1cn2c(n1)-c1cc(C=O)ccc1OCC2 to produce CC(C)n1ncnc1-c1cn2c(n1)-c1cc(CN3CCN(C(C)(C)C)CC3)ccc1OCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.