Using O=C(CCl)N1CCN(c2ccc(Cl)cc2)CC1, CSc1n[nH]c(N)n1 to produce CSc1nc(N)n(CC(=O)N2CCN(c3ccc(Cl)cc3)CC2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.