Using O=C(O)c1cc2ncc(Cl)cn2n1, CC(C)c1nc2c(s1)CCNCC2 to produce CC(C)c1nc2c(s1)CCN(C(=O)c1cc3ncc(Cl)cn3n1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.