Using CN1CCNCC1, O=C(Nc1nnn[nH]1)c1cc(Cl)c2ccccc2n1 to produce CN1CCN(c2cc(C(=O)Nc3nnn[nH]3)nc3ccccc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.