Using CN1CCNCC1, Nc1ncnc2c1c(I)nn2C1CCC(=O)CC1 to produce CN1CCN([C@H]2CC[C@@H](n3nc(I)c4c(N)ncnc43)CC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.