Using Clc1nc2nccnc2s1, Oc1ccc2c(CN3CCOCC3)c[nH]c2c1 to produce c1cnc2sc(Oc3ccc4c(CN5CCOCC5)c[nH]c4c3)nc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.