Using O=C(O)Cn1cc(-c2ccccc2)nc1-c1ccccc1, c1cnc(N2CCNCC2)nc1 to produce O=C(Cn1cc(-c2ccccc2)nc1-c1ccccc1)N1CCN(c2ncccn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.