Using CN1CCNCC1, Nc1ncnc2sc(-c3c(-c4ccccc4)ncn3CC=O)cc12 to produce CN1CCN(CCn2cnc(-c3ccccc3)c2-c2cc3c(N)ncnc3s2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.