Using Clc1ncnc2[nH]ccc12, NC1(C(=O)NCc2ccc(Cl)cc2)CCNCC1 to produce NC1(C(=O)NCc2ccc(Cl)cc2)CCN(c2ncnc3[nH]ccc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.